补全对话

A: What can I do for you?

B: I need a sweater.

A: We have sweaters of all colors. What color do you like?

B: I like white. .

A: .

B: Yes, I do. My mother's birthday is next Saturday.

A: .

B: That's right.

A. How about this one? I think your mother will like it.

B: .

A: .

B: OK! I will take it.

A: Here you are.

A. It's only 150 yuan. B. Do you buy a sweater for your mother? C. It looks nice. D. Your mother's favorite color is blue. E. But I will buy a blue sweater.