A、She wants to buy a textbook. B、She is looking for a new novel C、She wants to buy a reference book. D、She is just looking. CWhy

M: What are you looking for?
W: I’m looking for the reference book professor Li recommends.
M: What’s the name of the book?
W: Educational Psychology.
M: It’s on the shelf over there. I saw it just now.
W: Thank you. Oh. I’ve got it. But it’s too expensive.
M: How much is it?
W: It’s fifty-four Yuan. I don’t think I can afford it.
M: Then why don’t you borrow it from the library?
W: Oh, good idea. I’ll go to the library right now. Thank you!
M: You are welcome!