听力原文:W: What size do you wear?M: Forty.W: Oh, you're lucky. I have the best shoes in t
听力原文:W: What size do you wear?
M: Forty.
W: Oh, you're lucky. I have the best shoes in the store in forty. Here they are. Why don't you try them on.
M: OK, I'll have a try.
What is the most probable relationship of the two people?
A.Teacher and student.
B.Boss and employee.
C.Salesperson and customer.
D.Doctor and patient.