A、They are very rewarding. B、Her son has to spend too much time practicing. C、They have given her too much trouble. D、The teache

W: Since you’re leaving, we should get together and have a party before you go. I can call some people...maybe Friday night, Okay?
M: Actually, I am trying to avoid that sort of thing. I would like to see everyone before I go, but I really don’t think I have time.
Q: What does the man mean?

M: How are your son’s piano lessons going?
W: Very well. His teacher thinks he’s making progress, and I find the lessons well worth the time and trouble.
Q: What does the woman think of her son’s piano lesson?