问各位大神一道语法题OG13 85

13581939693

According to a recent poll, owning and living in a freestanding house on its own land is still a goal of a majority of young adults, like that of earlier generations.
A like that of earlier generations
B as that for earlier generations
C just as earlier generations did
D as have earlier generations
E as it was of earlier generations
请问各位C选项的did补出为什么不对？这种主动词补出应该如何判断比较快比较简洁，一遇到补出助动词的就有点不确定

吴下锕蒙

你看划线部分前面有do嘛 没有的话did和谁对应呢 。具体对应的法则等我用电脑时打给你

肉肉公

而且as所引导的句子，要与主句主谓对应。 C选项的Subject是generation，而主句的Subject是owning and living