【单选题】

Man: I’m still waiting for my sister to come back and type the application letter for me.

Woman: Why bother her I’ll show you how to use the computer. It’s quite easy.
Question: What does the woman mean
A、She’ll type the letter for the man.
B、She’ll teach the man to operate the computer.
C、She doesn’t think his sister is a good typist.
D、She thinks the man should buy a computer.