A、She can help the man until lunch time. B、She cannot read the applications until after her class. C、She has a class after lunch

M: Can I borrow your math textbook? I left mine in the classroom. And it was gone when I went back.
W: That happened to me once. I’d almost given up on finding it until I checked out at the lost-and-found office.
Q: What does the woman suggest the man do?

M: Say, do you think you can help me with these applications for graduate school? I really like someone to read them over.
W: Un, well, yeah. But I’ve got to get to a class right now. How about later around, like may be after lunch?
Q: What does the woman mean?