The local health organization is reported to ( ) twenty-five years ago when Mr.xxx became its ...A.to be set up B.to have been set upC.being set up D.having been set up这个知识点是关于啥的,以前老师讲过,可是现在忘得差不多了.

The local health organization is reported to ( ) twenty-five years ago when Mr.xxx became its ...A.to be set up B.to have been set upC.being set up D.having been set up这个知识点是关于啥的,以前老师讲过,可是现在忘得差不多了.
The local health organization is reported to ( ) twenty-five years ago when Mr.xxx became its ...
A.to be set up B.to have been set up
C.being set up D.having been set up
这个知识点是关于啥的,以前老师讲过,可是现在忘得差不多了.

The local health organization is reported to ( ) twenty-five years ago when Mr.xxx became its ...A.to be set up B.to have been set upC.being set up D.having been set up这个知识点是关于啥的,以前老师讲过,可是现在忘得差不多了.
看题可以先排除C和D, 因为不需要用到动词的ING形式,而是to be形式,twenty-five years ago 表示过去,但对于现在报导这个时间来说是已经完成了,所以应该用完成时态,健康组织又是被建立的,选B.