----Do you mind if I sit here? ----________ The seat hasn’t been taken. A. Of course not. B. I’d rather you didn’t. C. Go ahead. D. Absoultely not! 答案:C 解析: 由The seat hasn’t been taken可知,对方同意说话者坐在这儿, go ahead可以表示同意, 可翻译成 “可以, 坐吧”。16.When Jay Chou appeared on the stage,all the audience hit their hands together.( )A.stood upB.clappedC.began to laughD.raised their hands