---Do you know London at all?
---No, this is the first time that I here．
A. was
B. came
C. have been
D. had been
网友回答
A. was
B. came
(答案→)C. have been
D. had been
解析：句意：--你对伦敦有所了解吗？--不，这是第一次我来在这里。固定搭配it(This) is\was +the first\second……+that从句,从句中的谓语用现在\过去完成时,所以选C。
考点: 考查时态的用法。