Are you doing your homework? .A. Yes I am.B. Yes I’m not.C. Yes I like it. D. No I am

问题补充：

Are you doing your homework? .

A. Yes, I am.

B. Yes, I’m not.

C. Yes, I like it.

D. No , I am.

答案：

(答案→)A. Yes, I am.

B. Yes, I’m not.

C. Yes, I like it.

D. No , I am.

解析：对于Are you doing your homework?，肯定回答是Yes, I am.否定回答是No , I’m not.所以选A。