A、He could help her with the problems. B、He could go out together with her. C、She should go out for a while. D、She should do the

W: It’s really a big problem to teach our children how to behave. When I get angry, I say things I don’t mean.
M: If you want your kids to be polite, you’ll have to be polite to them.
Q: What conclusion can be drawn from this conversation?

W: I’m getting absolutely nowhere with these physics problems.
M: How about my going through them with you?
Q: What does the man mean?