Not until all the fish died in the river ___________

试题详情及答案解析

Not until all the fish died in the river ____________ how serious the pollution was.

A．did the villagers realize

B．the villagers realize

C．the villagers did realize

D．didn’t the villagers realize

答案：A

试题分析：考查倒装句。否定词放在句首主句使用部分倒装，助动词提前，句意：直到河里所有的鱼都死了，村民们才意识到污染是多么的严重呀。根据语境选C。
考点 : 考查倒装句