— I like math very much. Do you like math?— .A. No I do.B. Yes I do.C. Yes you are.D.

问题补充：

— I like math very much. Do you like math?

— .

A. No, I do.

B. Yes, I do.

C. Yes, you are.

D. No, I am not.

答案：

A. No, I do.

(答案→)B. Yes, I do.

C. Yes, you are.

D. No, I am not.

解析：句意：——我非常喜欢数学。你喜欢数学吗？——是的，我喜欢。对Do you like math?的肯定回答是Yes, I do.否定回答是No, I don’t.故选B。