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

A．It is an easy way to make money.
B．It supplies the service class with a sort of reliable income.
C．It ensures people a good and prompt service.
D．It enables the service class to be free from taxes.

A．People are usually willing to give evidence.
B．Policemen feel that the image of their lives shown on TV is not accurate.
C．Policemen and detectives spend little time at the typewriter.
D．Generally the detective’s work is over once the arrest has been made.