According to the passage, it is typical of homicide criminals in many cities in USA to be ______.

A．The rewards for the leader.
B．The reputation of a leader.
C．The approach to achieving goals.
D．The payment of employees.

A．Stricter internal disciplines should be maintained.
B．More good examples should be set for people to follow.
C．More restrictions should be imposed on people’s behavior.
D．More people should accept the American way of life.