问题补充：
The plan once I objected to out fine.
A. working
B. work
C. had worked
D. worked
答案：
A. working
B. work
C. had worked
(答案→)D. worked
解析：考查句子结构：句意：我曾经反对的计划结果很好。这句话的主语是the plan ，once I objected to是定语从句，修饰the plan，所以需要填谓语动词，因为前面是objects，所以用一般过去式，选D.
