A、Doctor and patient. B、Daughter and mother. C、Passenger and bus driver. D、Customer and merchant. C

W: Will you take these books to the library during your lunch hour, Jack? And here is a list of books I want to read. Ask the girl for two books from the list.
M: Certainly, Mother. You’ve got about twenty titles here. What kind of books would you like?
Q: What is Jack going to do during his lunch hour?

M: Could you please tell me at which stop I should get off for the Metropolitan Museum? Also, how much is the fare?
W: Of course. You get off at 82nd street and walk one block. I’ll tell you when we get there. The fare is sixty cents, just put it in the fare box.
Q: What is the probable relationship between the two speakers?