[听力原文]
W: Why did Jack fail in the exam
M: If he had studied hard, he would have passed the exam.

What does the man mean（）

单项选择题What does the woman suggest the man do（）

A．Have a rest.
B．Take a walk.
C．Give more information.
D．Wake him up.

单项选择题How many pills the patient should take one day（）

A．4.
B．8.
C．12.
D．15.