选择恰当的句子补全对话，只填序号。

A. How much are they? B. What would you like? C. You're welcome. D. Would you like some water? E. Do you have any milk?

A: Good afternoon. Can I help you?

B: Yes, I'd like some food for lunch.

A:

B: I'd like some rice and chicken.

A: OK.

B: No, thanks.  I'd like some milk.

A: OK!

B:

A: Seventeen yuan.

B: Thank you.

A: