问题
选择题
— Hello! Can I speak to the headmaster, please?
—
A．Who are you, please?
B．Of course, you can.
C．Who is it, please?
D．Sorry, you can't.
答案
答案：C
情景对话。此对话为电话用语，在不明白对方是谁的情况下可用it，因此选C。
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