听力原文:M: I'm sorry to have kept you waiting for such a long time. I didn't think the me
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 purpose of the woman's visit to the man?
(13)
A.To remind him of the data he should take to the conference,
B.To see if he is ready for the coming conference.
C.To tell him something about the conference.
D.To help him prepare for the conference.