单项选择题

听力原文：W: You spend all of your time reading books. How do you expect to be well-informed if you never read a newspaper?
M: It's my opinion that reading the newspaper is a waste of time. A famous man once said that newspapers separate what is important from what is unimportant and then print that which is not important.
Q: Why should the man read newspapers according to the woman?
(18)
A．Because she expects him to be well-informed.
B．Because he reads too many books.
C．Because he always wastes his time.
D．Because he doesn't learn how to separate the important from the unimportant.