-Hello! May I speak to Mike please? -This is Mike speaking. .A. Who are you?B. Who is tha

问题补充：

-Hello! May I speak to Mike, please?

-This is Mike speaking. .

A. Who are you?

B. Who is that?

C. What is this?

D. Who am I?

答案：

A. Who are you?

(答案→)B. Who is that?

C. What is this?

D. Who am I?

解析：句意：--你好！我可以让Mike听电话吗？--我是Mike，你是谁？在电话用语中this is…表示我是……；问对方是谁？应该用who is that？故选B。

考点: 考查交际用语。