While building a tunnel through the mountain, . [ ] A．an underground lake was di
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![While building a tunnel through the mountain, . [ ] A．an underground lake was di](/pic/43_950717.jpg)
While building a tunnel through the mountain, ________.
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A．an underground lake was discovered
B．there was an underground lake was discovered
C．a lake was discovered underground
D．the workers discovered an underground lake
试题答案
答案：D
解析：分词作状语要注意与其逻辑主语一致。 |