高中英语非谓语:___foralongtime,mostofthecropsinthisareadied
_______foralongtime,mostofthecropsinthisareadiedfromlackingwater.
ABeingnorainBTherewasnorainCTobenorainDTherebeingnorain
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.