Questions 19 to 22 are based on the conversation you have just heard.

A．He dislikes his present job.
B．He wants a higher salary.
C．He wants to have more diverse experience.
D．He wants to work for a famous company.

A．Film violence causes teen behavioral problems.
B．There is no causal relationship between those two.
C．Teenagers who are more violent prefer violent films.
D．There are contradictory findings concerning this question.