—How many times have you been to China?
—In fact, it is the first time I __________ here.

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

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

A. was                    B. am                 C. had been                 D. have been

—How many times have you been to China?

—In fact, it is the first time I __________ here.

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

1. A.
   was
2. B.
   am
3. C.
   had been
4. D.
   have been