This is the first time that I the summer palace．A. had visitedB. have visitedC. visitD. v

问题补充：

This is the first time that I the summer palace．

A. had visited

B. have visited

C. visit

D. visited

答案：

A. had visited

B. have visited

C. visit

D. visited

解析：考查动词的时态。句型：This/It is the 序数词that 主+has/have done。