A、12: 15. B、1:00. C、1: 10. D、12:30. B对话中提到两个时间12:15和45 minutes，由此可知答案为B。

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 newspaper separate what is important from what is not important and then print that which is not important.
Q: Why should the man read newspapers according to the woman ?

W: Don’t take too long at the snack bar. It’s a quarter after 12.
M: It’s OK. We have 45 minutes before the plane leaves.
Q: What time is their departure scheduled?