.He said that not until the heavy snow blocked the express how serious the weather was.
A. did the villagers realize
B. the villages realized
C. the villages did realize
D. didn’t the villagers realize
网友回答
(答案→)A. did the villagers realize
B. the villages realized
C. the villages did realize
D. didn’t the villagers realize
解析：not until 放在句首用部分倒装，有因本身为否定，所以后面用肯定形式。