A、How to lose weight. B、Street dance. C、Exercising in a gym. D、Dancing music. B注意该女士问道“街舞是什么?”时，接下来的话题都围绕对“街舞”的介绍、发展，以及形式展开。

W: Why, Peter! You are sweating heavily. Where have you been?
M: I’ve just been to the Fitness Center to learn Street dance.
W: What is street lance?
M: Street dance is a newly emerged way of keeping fit. It was introduced into China in 1999.
W: Why do you choose Street dance?
M: I found that ths class is the most interesting.
W: Oh really? Tell me more about it.
M: Well, Street d tnce uses its music, its basic movements, and also its freedom for self-expression.
W: It sounds like an aerobics class.
M: Not exactly. The participants and the instructor are dressed in their ordinary casual wear. Moreover, the music they use is not the dancing music that an aerobics class usually uses.
W: Is that the main difference from normal aerobics?
M: No, Street dance is a lot more tiring.
W: Does it mean you feel like you’ve been tired out?
M: Ha, no. I think it is a good way to relax.
W: Is there any age or skill level limit for entering?
M: No. In our class, the youngest student is 15 and the oldest is 50. And everyone can choose whatever difficulty level he or she wants to.
W: Sounds interesting. I’ll go with you next time.
Questions 13 to 15 are based on the conversation you have just heard.
13. What are Peter and Susan talking about?
14. Which of the following statements is NOT true?
15. Why does Peter like street dance?