Questions 9 and 10 are based on the following conversation. At the end of the conversation, you will be given 10 seconds to answer the questions.
Now, listen to the conversation.
What kind of class went on the field trip

A．can possibly give people better feelings.
B．increases production by 4.5 percent in factories.
C．is sometimes very boring for workers.
D．is always faster than any other music.

A．To have a car wait at the arrival airport.
B．To rent a car that can be driven fast.
C．To have a car tour.
D．To visit many places in a short time.