Questions 11 to 18 are based on the conversation you have just heard.

A．To help them repair their brains.
B．To stimulate their interests of the question.
C．To buy some medicine which can make them exciting.
D．To encourage them to do better.

A．See a doctor and try to relax more.
B．Change to another job.
C．Assume fewer responsibilities.
D．Let it be.