问题
Excuse me, can I interview Mr. Miller this afternoon?—A moment, please. Let me check ______.[ ]
A: if Mr Miller will be free
B: when will Mr Miller have time
C: if Mr Miller had an appointment
D: when does Mr Miller come back
B: when will Mr Miller have time
C: if Mr Miller had an appointment
D: when does Mr Miller come back
正确答案是：
