单项选择题

[听力原文]
W: My son has got a pain in his ear for days.
M: let’s have a look. Ah yes, he has got something in his ear. I’ll have to take it out.

Where does the conversation most probably take place.()

A.In the headmaster’ officer.
B.In a hospital.
C.In language lab.
D.In a department store.