【正确答案】
B
【答案解析】[听力原文]
Jan: Hi, Steve!
Steve: Hi, Jan. I"m planning to go to London by train. Do you want to come with me?
Jan: But it"d be cheaper by bus.
Steve: I"ve got a student travel card. You can get cheap train tickets with it.
Jan: That sounds good. How much does it cost?
Steve: A card for six months is sixteen pounds.
Jan: So how do I get one?
Steve: You need two photographs, one for the card and one for the form.
Jan: There"s a photo machine in the post office. It gives you four photos for three pounds.
Steve: So does the one in the library. But I went to a photographer"s studio. It was cheaper.
Jan: I don"t have to show my passport or my driving licence, do I?
Steve: No, Jan, you only need a letter from your college.
Jan: OK, I"ll ask my teacher for one.
Steve: And then you take everything to the tourist office and ask the travel agent.
Jan: Great, next time you go to London, I"m coming too!
How much is a six-month travel card?