Not until all the fish died in the water how serious the pollution was.
A. did the villagers realize
B. the villagers realized
C. the villagers did realize
D. didn’t the villagers realize
网友回答
(答案→)A. did the villagers realize
B. the villagers realized
C. the villagers did realize
D. didn’t the villagers realize
解析：
试题分析:考查倒装句。Not until 放句首时，主句要用部分倒装语序，所以A选项正确。句意：直到水里所有的鱼都死了，村民们才意识到污染是多么的严重。