We have __many difficulties these years.

问题描述:

We have __many difficulties these years.
A.gone over B.gone on C.gone out D.gone through
选哪一个呀,能详细讲解一下吗?谢谢!

这是考察词组的意思了解程度.go over:走过去,翻,转;go on:继续;go out:外出;go through:经历.
前面有HAVE,而且是过去了和正在发生的这些年,所以用了现在完成时.