问题
选择题
To his disappointment, the opinion he tried to stick __________ wrong.
A．to prove
B．to proving
C．to was proved
D．to proved
答案
答案：D
题目分析：句意：使他失望的是，他努力坚持的观点结果是错的。分析句子成分可知：主语是the opinion，后面是定语从句，tried to stick后面缺少to，stick to“坚持”，proved是谓语动词，所以选D。