题目内容：

阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项，并把答案填在题号前括号内。

You Did More Than Carry My Books

   Mark was walking home from school one day when he noticed the boy ahead of him had dropped all of the books he was carrying, along with a baseball bat and several other things. Mark __16__ down and helped the boy pick up these articles. __17__they were going the same way, he helped to carry some of them for him. As they walked Mark __18_ the boy’s name was Bill, that he __19__ computer games, baseball and history, that he was having a lot of _20_ with his other subjects and that he had just broken _21__ with his girlfriend.

   They arrived at Bill’s home first and Mark was __22__in for a Coke and to watch some television. The afternoon passed __23__ with a few laughs and some shared small talk, and then Mark went home. They __24__ to see each other around school, had lunch together once or twice, and then both ended up from the same high school. Just three weeks before __ 25_ , Bill asked Mark if they _26_ talk.

   Bill __27__ him of the day years ago when they had first met. “ Do you __28__ wonder why I was carrying so many things home that day?” asked Bill. “ You see, I __29__ out my locker because I didn’t want to leave a mess ( 脏乱) __30__ anyone else . I had planned to run away and I was going home to __31__ my things. But after we spent some time together __32_ and laughing, I realized that __33_ I had done that , I would have _34_ a new friend and missed all the fun we would have together. So you see, Mark , when you picked up my books that day, you did a lot more . You __35__ my life.

1.A. fell                   B. sat                               C. lay                         D. knelt

2.A. Although          B. Since                   C. After                              D. Until

3.A discovered          B. realized                         C. said                       D. decided

4.A. played                            B. loved              C. tried                      D. made

5.A. questions          B. ideas                   C. trouble                            D. doubt

6.A. up                    B. out                      C. off                      D. away

7.A. called                             B. helped             C. invited                   D. invited

8.A. peacefully         B. willingly            C. freely                               D. pleasantly

9.A. continued          B. agreed                          C. forced                   D. offered

10.A. graduation       B. movement            C. separation           D. vacation

11.A. would             B. should                          C. could                     D. must

12.A. demanded       B. reminded             C. removed                         D. asked

13.A. ever                             B. usually             C. even                     D. never

14.A. checked          B. took                    C. cleaned                           D. put

15.A. over                             B. into                 C. with                      D. for

16.A. find                B. pick                    C. pack                               D. hold

17.A. talking            B. playing                          C. reading                D. watching

18.A. before             B. if                        C. while                              D. as

19.A. forgotten         B. passed                           C. left                        D. lost

20.A. helped          B. recovered C. improved   　　　D. changed