Is this the first time that you here?A. visitB. are visitingC. had visitedD. have visited

问题补充：

Is this the first time that you here?

A. visit

B. are visiting

C. had visited

D. have visited

答案：

A. visit

B. are visiting

C. had visited

(答案→)D. have visited

解析：考察时态。句意：这是你第一次到这儿吗？可知从句描述的是现在已完成的动作，故用现在完成时态，选D。