一Hello！ May I speak to Li Lei ?一Sure. A. Who are you?B. Who is that please?C. I am..D. He

问题补充：

一Hello！ May I speak to Li Lei ?

一Sure.

A. Who are you?

B. Who is that ,please?

C. I am..

D. He is.

答案：

A. Who are you?

(答案→)B. Who is that ,please?

C. I am..

D. He is.

解析：根据本题的问句可知，本题是打电话用语，问对方是谁通常用who is that？故本题选B。