W: Excuse me. What did you say you would like to do, Mr. Green? M: I said I'd better go back to the hotel. I'm meeting someone this evening. W: OK. How are you going back? By bus or taxi? M: I think I'll take a taxi. Do you know where I can get one? W: Oh, just wait by the roadside. I'll wait with you. M: OK. Thanks. Are the taxis in London all yellow? W: Well, some of them are. Is this your first time in London? M: Yes, it is. Do you give extra money to taxi drivers here? W: You mean a tip? Oh, yes. They usually expect about ten percent. M: That's the same in my country. W: Oh, look. Here's one. Taxi! M: Thanks. See you tomorrow., Question: What can we learn from the conversation? (A) You needn't give extra money to taxi drivers in England. (B) All taxis in England are yellow. (C) It is the first time for the man to stay in England.
(C) It is the first time for the man to stay in England.