【单选题】听力原文:W: What's the problem? M: (23)I can't figure out how to put the page numbers on. I've done everything and they aren't showing up. W: Let's see. Did you press Shift, F-8? M: Yes, I did that. Then ...
A.
The man is learning how to use a computer.
B.
The woman is showing the man how to put page numbers on a document.
C.
The man is printing a document.
D.
The man is using his computer to do mathematical functions.