A、The woman gives the man a spare battery. B、The man will use the woman’s digital recorder. C、The woman can share her notes with

M: Hello, is this AT&T? I’m calling for my Internet service. It’s not working and I really need it to finish my essay which is due tomorrow and...
W: Well, this is a private line and I’m afraid I can’t help you.
Q: What does the woman mean?

M: Sally, do you happen to have a spare battery with you? I really want to record Prof. Hopkins’ lecture. You know he never gives information that’s in the book.
W: Yes, I use the digital recorder in his class, too. So, here you are.
Q: What can be learned from the conversation?