【正确答案】
B
【答案解析】[听力原文] 8-10
W: Now, Mr White, did you see the accident clearly?
M: Oh, yes, I was standing outside my house.
W: Do you remember what time it happened?
M: Yes, it was 4: 30 by my watch.
W: Good. Now, was the truck going fast?
M: Yes. Well, perhaps the driver thought the light was changing to green. But it was red.
W: Are you sure, Mr. White?
M: Yes, absolutely sure.
W: Then the truck hit the taxi, did it?
M: Yes, with much noise. Then I called the police.
W: Well, thanks a lot, Mr. White. Good-bye.
M: Good-bye.
8．What are the two speakers talking about?