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.
解析： 根据文章第一段第一句“A man was working on his motorcycle in his yard.Suddenly it started to move.”可知the man很可能无意当中发动了车。
答案： D
