Returningtothecamp,theywereshockedtoseeeverything

問題詳情：

 Returning to the camp, they were shocked to see everything _______.

     A. was ruined              B. had ruined     C. has been ruined     D. had been ruined

【回答】

D

知識點：過去完成時及其被動式

題型：選擇題