Question

As time went by , the theory he had stuck ______ correct .

A．to prove

B．to proving

C．to proved

D．to be proved

Answer 1

C

考查句子結構，he had stuck是從句修飾the theory，從句中缺少to，這句話的謂語是prove，表示“證明是”，相當于連系動詞，后面接名詞或形容詞，不用被動，句意：隨著時間的推移，他堅持的理論證明是對的。選C。