[听力原文]
M: I’ll take these three books. Are they fifty cents each
W: These two hooks are, but this one is 75 cents.

How much will the three books cost（）

A．On a train.
B．On a plane.
C．On a boat.
D．On a bus.

A．The man should stay a little longer.
B．The man should leave at once.
C．The man will miss the bus.
D．The man must try to catch the last bus.