单项选择题

[听力原文]
W: Could you please tell me which stop I should get off for the Grand Hotel and how much is the fare
M: Of course. You can get off at the 14th street and walk for two blocks. I’ll tell you when we’re there. The fare is 50 cents.

What is the probable relationship between the two speakers()

A.Customer and merchant.
B.Doctor and patient.
C.Passenger and taxi driver.
D.Passenger and bus conductor.