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：
