A、To help him prepare for the conference. B、To tell him something about the conference. C、To see if he is ready for the coming c

W: I can’t believe Karen is late for such an important occasion as a job interview. I reminded her time and time again yesterday.
M: You should’ve known her better by now. Everything you tell her goes in one ear and out the other.
Q: What does the man imply?

M: I’m sorry to have kept you waiting for such a long time. I didn’t think the meeting would be so long.
W: That’s all right, Dr. Green. I’ve got the data you required and a few reference books which I think may be useful to your representation at the conference.
Q: What’s the purpose of the woman’s visit to the man?