_________is the name given to a young man or young woman who rejects authority, existing institution and conventional attitudes towards morality, style of dress, etc. ( )
A、Duke
B、Cowboy
C、Hippie
D、Knight
【正确答案】：C
【题目解析】：嬉皮士是指那些拒绝权威、现存制度和道德、着装风格等传统观念的年轻男女。