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.