此空中应该选哪个,具体解析：

题目

此空中应该选哪个,具体解析：
---Have you ____ been to our town before?
---No,it's the first time I ___ here.
　　A.even,come　 B.even,have come　　C.ever,come　 D.ever,have come

答案

D.
ever意为曾经或无论何时,反意词为never,此两词常用于完成时. This is the largest fish I have ever seen. It is / was the first time +that-clause 的句型中,从句要用完成时.