阅读短文，选择正确的答案。

Miss Wang: Good afternoon. Class.

A: Good afternoon, Miss Wang.

Miss Wang: Are you Su Hai?

A: No, I'm not. I'm Yang Ling. Would you like a sweet, Miss Wang?

Miss Wang: No, thank you. Don't eat in class, Yang Ling.

A: Sorry, Miss Wang.

Miss Wang: Are you Liu Tao?

B: Yes. I am

Miss Wang. Don't run here, Liu Tao

B: Yes, Miss Wang