A、Classmates. B、Boss and secretary. C、Husband and wife. D、Teacher and student. 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: Being an efficient secretary, you should have to finish your work punctually at the office, not to do it now at home.
W: I know that. But I have been very busy and I couldn’t finish it when the office hour was over.
Q: What’s the probable relationship between the two speakers?