听力原文：
W: Good morning! Can I help you?
M: Yes, please. I want a T-shirt for my son.
W: What size do you want?
M: Size L, please.
W: OK! What about this one?
M: Sorry! He doesn’t like black. Have you got any other colors?
W: Oh, yes. We’ve also got blue, brown and white ones.
M: Can I have a look at the white ones?
W: Certainly.
M: How much is it?
W: $ 74.
M: OK, I’ll take it.
答案：1. B