We never would have given him so much authority, even though he's the boss's son, ____ how irresponsibly he'd managed the project.
(A) did we know
(B) we did know
(C) we had known
(D) had we known
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答案
儘管他是老闆的兒子,早知道他管理專案這麼不負責任的話,我們絕對不會給他這麼大的權力。
We never would have --> 與過去事實相反的假設
原本是 if we had known,此處省略 if ,並將助動詞 had 放在句首,形成倒裝句。
這句本身也是個倒裝
If we had known how irresponsibly he'd managed the project, we never would have given him so much authority, even though he's the boss's son.
原始結構是這樣
http://www.edufind.com/english-grammar/type-3-conditional/
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If he had come back earlier, he would have seen her.