单项选择题

[听力原文]
Man: Good morning, are you Mr. Johnson’s secretary
Woman: Yes, I have made an appointment with you to see your supervisor.
Man: I know that, I’ll get into his office to see if he is free now.

Where does the conversation most probably take place()

A.At the reception desk.
B.At the gate of the company.
C.In the boss’ office.
D.In Mr. Johnson’s offic