单项选择题
A．A policeman shot a young man. B．Criminality decreased. C．Two citizens were killed. D．Two girls were killed because they were with two members of another gang.
A．A famous band. B．A gang. C．A prison. D．A unit.
A．Because taxes increased. B．Because rents were too high. C．Because gangs came into their town. D．Because the violent crime among adults is rising.