题目内容：

Is it the first time that you ____ Beijing?
A.have visited B.would visited C.visited D.have been visiting

优质解答

Is it the first time that you _have visited ___ Beijing?现在完成时 have visited 强调对现在造成的结果或影响（结果是 你第一次到访北京）have been visiting 现在完成进行时,强调动作的持续,题中并没有说持续时...