单项选择题

M:Are there any seats in the upper circle for the second show on Monday?
W:I’m sorry,there’re no more seats in the circle,but somebody’s just returned two stall tickets for the second show.Would you like them?
Q:Where are the man and the woman?()

A.In the travel agency.
B.At the box office.
C.At a market stall.
D.In a restaurant.