I felt extremely excited as it was the first time that I _ abroad at all.

参考译文：我感到非常兴奋，因为这是我第一次来到国外

A. have ever been

B. would have ever been

C. had ever been

D. was ever

答案解析：C为正确答案，从句是用现在完成时态还是过去完成时态应该根据主句时态确定。

(1)It was the first／second time(that sb had done)结构中的从句部分，用过去完成时。

It was the first time that the boy had been late．

(2)It is the first time that(sb have done ) 结构中从句为现在完成时态形式。

It is the first time that boy has been late．