【正确答案】
B
【答案解析】[解析] 推理题。对话中提到因为买错了尺码要求换衣服,所以答案为B。
[听力原文] 6-7
W: What can I do for you?
M: I'd like to exchange this sweater.
W: What seems to be the matter?
M: Well, you see I got this as a birthday present, but it's the wrong size, and what's more, I really don't like the color.
W: Do you have the receipt?
M: Yes.
W: Can I have a look at it, please?
M: Certainly.