高中英语非谓语：___for a long time,most of the crops in this area died

题目

高中英语非谓语：___for a long time,most of the crops in this area died
_______for a long time, most of the crops in this area died from lacking water.
A Being no rain BThere was no rain CTo be no rain D There being no rain
A为什么不对?这个主语是?应该怎样判断啊...（表示对非谓语动词一直很头疼）
别复制答案呀,我一般要追问的.

答案