根据对话内容，从下列所给选项中选出最佳答案，使对话恢复完整。选项中有两项是多余的。

A: Hello! What can I do for you?

B: 1. _______________

A: 2. _______________

B: 3.________________

A: 4.________________

B: What is it,?

A: It is hot milk with sugar and chocolate. It tastes good.

B: Well,I will have a try. 5._______________

A: They are 35 yuan.

B: All right. Here’s the money.

A. How much is it?

B. I'd like a beef hamburger and salad.

C. What drinks do you have?

D. What drinks would you like?

E. How much are they?

F. What kind of salad would you like?

G. And we have a new one hot chocolate.

人们将办事不成功称为“走麦城”，典故出自《三国演义》，请简述这个故事。（《三国演义》）