W: Now, Mr. Sun, did you see the accident clearly? M: Oh, yes. I was standing outside the post office. W: Can you remember what time it happened? M: Yes, it was 4:25 by my watch. W: Good. Now, was the truck going fast? M: Yes. Well, perhaps the driver thought the traffic lights were going to change to green. But they were red. W: Are you sure, Mr. Sun? M: Yes, absolutely sure. W: Well, thanks a lot, Mr. Sun. Good-bye. M: Good-bye., Question: What are the two speakers talking about? (A) A fight in the street. (B) A traffic accident. (C) A robbery.
(B) A traffic accident.