从方框中选择恰当的句子补全下面对话。（其中有两项是多余的选项）

A. Do you have asmaller(更小) one? B. Thank you. C. How do you spell it? D. Yes, please. E. What's your name? F. What color do you want? G. How much is it?

A: Can I help you?

B: I want a jacket for my son.

A: We have jacket s in red, black and white.

B: Black.

A: Here you are.

B: Oh. This jacket is too big.

A: Yes. What about this one?

B: It's very nice.

A: It's twenty dollars.

B: OK, I'll take it.

A: You're welcome.