听力原文:M: So your division in the bank is to ensure that your customers receive payment
W: That's where we can help an exporter like your corporation. We often hear people say that exporting is easy, but to get paid is hard work.
Q: What is the relationship between the speakers?
(15)
A.Husband and wife.
B.Teacher and student.
C.Banker and his customer.
D.Employer and employee.