【正确答案】 A

【答案解析】[听力原文]13-16
M: May I help you?
F1: We're looking for a pair of sports shoes.
M: Then we have the best. Adidas is always famous for its quality and styles.
F1: Adidas is to my taste. Wow, this pair is great! Can I just try it on?
M: Sure you can.
F1: Yeah, it fits perfectly. What do you think, Mom?
F2: Not bad. Looks nice. How much does it cost?
M: Usually it costs 400 dollars, but if you buy, it now, I can give you 10% off.
F1: It's very nice. I'll take it.
F2: Do you accept credit card or check?
M: The card will do.