单项选择题
A．A famous band. B．A gang. C．A prison. D．A unit.
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 gan
A．the number of crimes done by young people B．the number of crimes done by adults C．the number of crimes done by school students D．the number of prisons