—What are you doing? ( )—

【题目】—What are you doing? (    )

—_______________.

A.I am eating. B.I eat sandwiches. C.I’m not.

【答案】A

【解析】

问句What are you doing?句意为“你正在做什么？”时态式现在进行时，答句也要用现在进行时be doing的形式。A. I am eating.我正在吃。B. I eat sandwiches.我吃三明治。C. I’m not.我不是。BC不符，故选A。