—Do you know our town at all?—No this is the first time I here.A. wasB. have beenC. came

问题补充：

—Do you know our town at all?

—No, this is the first time I here.

A. was

B. have been

C. came

D. am coming

答案：

A. was

(答案→)B. have been

C. came

D. am coming

解析：This is the first time 后面所加从句应为现在完成时，故选B。