A、Customer and clerk. B、Professor and student. C、Boss and employee. D、Lawyer and client. B

W: I found a perfect book bag，but I’m about 20 dollars short．
M: Don’t look at me. I don’t get paid for another week.
Q: What does the man imply?

M: Have you made up your mind?
W: Yes, I’ll give up biology and switch to archeology, where my interest lies.
Q: What’s the probable relationship between the two speakers?