A、The reference books have already been returned to the woman. B、He doesn’t like to lend his books to other people. C、He hasn’t

M: How do you get to the park for exercises every day, Grandma?
W: Well, it’s within walking distance, but I usually take the bus since the bus stop is just in front of our house.
Q: How does the old woman get to the park on most occasions?

W: David, could you return the reference books I lent you last week?
M: Uh, well, I hate to tell you this..., but I can’t seem to find them.
Q: What does the man mean?