单选题 M: I wish I hadn't thrown away that reading list!
W: I thought you might regret it. That's why I picked it up from the waste paper basket and left it on the desk.
Q: What do we learn from the conversation?
A. The man regrets being absent-minded.
B. The woman saved the man some trouble.
C. The man placed the reading list on a desk.
D. The woman emptied the waste paper basket.