A、To look for the lost textbook in the library. B、To call Lost-and-Found first before buying a new one. C、To buy a new textbook

M: Can you give me something to relieve my stomachache, doctor?
W: You may take these pills three times a day, after each meal. Remember to take two pills each time.
Q: How many pills will the man take a day?

W: How careless I am! I lost the algebra textbook I’ve been using in the library. I’d better buy a new one as the final exam is round the corner.
M: Well, if I were you, I’d call Lost-and-Found first since there must be important notes on the old one.
Q: What does the man suggest the woman to do?