【正确答案】
C
【答案解析】[听力原文]
W: Morning, sir. What can I do for you?
M: I"d like to buy some T-shirts for my kids.
W: Right. We have many new arrivals for you to choose from. What color do you prefer?
M: These blue ones and red ones are very beautiful, but I think yellow is brighter. I like yellow ones. How much if I buy 2 medium sizes and one small size?
W: $5 for each medium size and $4 for small size. I can give you a 10% discount.
M: That"s good. I"ll take them.
What color does the man prefer?