单项选择题

[听力原文]
W: Sir, may I see your manager
M. He’s not in at the moment. Is something wrong
W: I bought a TV set in this department last week. But now it doesn’t work properly, there’s no picture and no sound. Here is the receipt.

Where does the conversation most probably take place()

A.In a shop.
B.In a restaurant.
C.In an office.
D.At hom