阅读下面短文，从短文后所给的五个选项中选出能填入短文空白处的最佳选项，使短文通顺、连贯，意思完整。
Mr. White works in a post office. His wife can't read or write. It's not easy for her to find work in their town. The man is busy all the time. But he can't get enough(足够) money for his family. He has to mend(修理) bikes in the street after work.
In the evening two men drink too much in a bar. At this time Mr. White is mending a bike near a shop and they hit（撞） him. They're afraid and drive away fast. They tell his wife about it then. The woman is very sad（伤心） and has to look after him in the hospital. The boy is five but the girl is only three. . So she finds five cakes in the box and gives them to Tom. Then she says, "Look after your sister. When you are hungry（饿）, you can have them. "
A. Later the policemen come and take him to a hospital.
B. So she stay at home to look after their son Tom and daughter Betty.
C. But she is worried about Tom and Betty.
D. They can't stay at home.
E. They drive their car fast.
