A、A traffic guard. B、A sociologist. C、A student. D、A librarian. C

W: I’d like to exchange this green tablecloth that I bought last week for the red one.
M: Let’s see now. The red costs only $10.95, and the green one was 15.
Approximately how much money does the clerk owe the woman?

W: I’m looking for a textbook for my sociology coarse. It’s called American Society at the Crossroads. Do you have it?
M: Yes, we do. You’ll find it in section 24, on the top shelf.
What’s the woman’s occupation probably?.