听力原文:W: Leonard, can I use your library card to borrow a book? I forgot to bring mine.
M: I would be glad to be of help. But I am afraid that mine wouldn't be of any use to you anyway. They allow only ten books for one card, and my card is already full.
W: Then I have to borrow one from someone else.
What do we learn from the man's reply?
A.He will not lend his card to anybody.
B.The woman cannot borrow books with his card right now.
C.Using another person's card is against the rules of the library.
D.His library card is no longer valid.