Passage Three Questions 17 to 20 are based on the passage you have just heard.

A．He is a good student.
B．He is an experienced repairman.
C．He is a friendly person.
D．He is good at doing business.

A．It doesn’t have any new features.
B．The figures cannot be removed.
C．One of its buttons doesn’t work.
D．It is too expensive.