题目内容：

阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。

A man was working on his motorcycle in his yard.Suddenly it started to move.The man，still holding the hand lebars，was dragged through the glass doors，along with the motorcycle，and was thrown onto the floor inside the house.The wife ran in and found her husband lying on the floor，cut and bleeding.She ran to call an ambulance (救护车)．

The ambulance arrived and they took the man to the hospital.The wife picked up the motorcycle and pushed it outside.There was gas all over the floor，so the wife got some paper towels，cleaned the gas with them，and threw them in the toilet.After he was treated，the man returned home.Not long after that he went to the bathroom，sat down on the toilet and smoked a cigarette.Sitting there，he finished the cigarette and threw it into the toilet.The wife，who was in the kitchen，heard the loud explosion (爆炸声) and her husband screaming.

She ran into the bathroom，and there she found her husband lying on the floor！His trousers had been blown away and his buttocks and other parts of his body were covered with burns！The wife again ran to the phone to call an ambulance.The same people came！While they were carrying the husband down the stairs to the street，one of the men asked the wife how the husband had burned himself.She told them and they started laughing very hard.One of them fell and the husband fell，too.The poor husband fell down the remaining stairs and broke his arm.

1.What most probably made the motorcycle start moving?

A．The man himself started it to see if it was working.

B．His wife did it for him to check if there was something working.

C．The motorcycle started by itself.

D．The man started the motorcycle without knowing it.

2.What did the wife do after the first accident?

A．She did nothing except calling the policemen.

B．She cleaned the gas with paper towels and threw them into the toilet.

C．She took the motorcycle and pushed it into the room.

D．She took her hushand to the hospital.

3.What do we know about the gas that caused the explosion?

A．The gas was from the motorcycle and could easily cause an explosion.

B．The gas was of poor quality.

C．The gas made the hushand suffer 4 accidents in a day.

D．The gas should have burned the wife.

4.The passage is most likely to be found in________

A．a survey       B．a textbook

C．a report       D．a book of funny stories

5.Which is the best title for this passage?

A．What a Bad Day for the Husband and Wife

B．A Man’s Worst Day

C．A Man Had Three Accidents in One Day

D．A Wife Burned Her Husband and Broke His Arms