听力原文:M: Here are our price lists. The quotations are all in US dollars, not FOB. I'm s
W: But these prices are much higher than the ones you quoted half a year ago.
M: However, you know that the costs of production have been raised considerably recently. Compared with other computer companies, our prices are still very reasonable.
W: I must tell you that your prices are higher than some of the quotations we've received from elsewhere. Would you please quote the most reasonable price?
What's the relationship between the man and the woman?
A.Husband and wife
B.Boss and employee
C.Teacher and student
D.Negotiators