-Did you watch the football match last night?-Certainly.It was the most exciting football match I have _________watched.A.never B.seldom C.already D.ever为什么不选A?

-Did you watch the football match last night?-Certainly.It was the most exciting football match I have _________watched.A.never B.seldom C.already D.ever为什么不选A?
-Did you watch the football match last night?
-Certainly.It was the most exciting football match I have _________watched.
A.never B.seldom C.already D.ever
为什么不选A?

-Did you watch the football match last night?-Certainly.It was the most exciting football match I have _________watched.A.never B.seldom C.already D.ever为什么不选A?
D
固定句型;曾经……最……
最高级形容词+名词+定从（I've ever ...)

当然不选A啦。句意是-你昨天有看足球赛吗？
-当然。那是一场在我曾看过的球赛中最令人激动。
如果选A。句意就是-那是一场在我从未看过球赛中最令人激动。 意思都不顺。

这是我曾经看过的比赛。。

因为你已经看过了，而never是否定，不要用中文的方式去理解英文，英文是很直接的，没有中文的否来否去的说法