----How many times have you been to China?In fact it is the third time that I here.A

问题补充：

----How many times have you been to China?

--- In fact, it is the third time that I here.

A. was

B. am

C. had been

D. have been

答案：

A. was

B. am

C. had been

(答案→)D. have been

解析：考查固定句型。It is/was 序数词 time that从句；从句中使用现在时/过去完成时。本题前面的is,故使用现在完成时。句意：这是我第三次来这里。