题目内容：

When I got to school,I noticed him___a letter.详见↓
A.wrote
B.is writing
C.write
D.had forgotten
为什么?

优质解答

notice用法：notice sb.do sth.表明注意到某人做了某事
被动：sb.be noticed to do sth.
notice sb.doing sth.表明注意到某人正在做某事
排除法只能选C项