13. 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.

　　答案：

B) The woman saved the man some trouble.

原文：

13.M: I wish I hadn’ t thrown away that reading list!

W: I though 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?