Which of the following can’t we use when we make a telephone call?
A. Who’s that?
B. Who’s calling?
C. Who’s speaking?
D. Who are you?
网友回答
A. Who’s that?
B. Who’s calling?
C. Who’s speaking?
(答案→)D. Who are you?
解析：who are you ？是问对方是谁的句子，但是在电话用语中，问对方是谁，要用who is that？故选D，符合题意。