根据下面的对话内容，从方框内的选项中选出最佳选项，使对话完整通顺。其中有一项为多余选项。

A:

B: Yes, I'd like to buy a coat.

A: What size do you take?

B:

A: How about this one?

B: Sorry,Do you have a brown one?

A: Sure, here you are.

B: I like it very much.

A: 180yuan.

B: It's too expensive.

A: Theres a sale on today.

B:OK, I'll take it.

A.I don't like green. B. Can I help you? C. Everything is half price. D. What's the price? E. Small. F. What's the matter?