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

问题补充：

—How many times have you been to China?

—In fact, it is the first time 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：考查句型：It is the +序数词/最高级+time+从句，从句的谓语是现在完成时，句意是：--你去过中国多少次？--事实上，这是我第一次去中国。