A、He left his notes at home. B、He doesn’t know where his notes are. C、He doesn’t want to lend his notes to the woman. D、He agree

M: Your son seems to have made much progress in playing the piano. Does he attend any piano classes?
W: Yes, he takes lessons twice a week, but from next week on, he will go to the class on Saturday evenings too.
Q: How often will the woman’s son have piano lessons from next week on?

W: Do you mind if I borrow your notes?
M: No, of course not. They are on my desk.
Q: What does the man mean?