A、The man. B、The woman. C、The policeman. D、No one. A推断题。男士认为对方不应该开太快，女士回答说前方有停止标识，对方应该更为小心，建议去和警察解释。可看出其实是男士的责任。因此，正确答案为A。

M: Could you tell me the timetable for the school bus?
W: Well, the bus leaves here for the campus every two hours from 6:30 a.m.. But on weekends it starts half an hour later.
Q: When did the third bus leave on Sunday?

M: Just look at my car! I only bought it last week. You shouldn’ t have been going so fast.
W: Well, I’m sorry, but it wasn’ t my fault. There’ s a "stop" sign. You must have missed it. You should be more careful and you’ d better explain it to the police.
Q: Who should be responsible for the accident?