问题
选择题
----They go to school early in the morning．
---_________________．
A．So do Tom．
B．So Tom do．
C．So does Tom．
D．So Tom does．
答案
答案：C
so 引导的倒装句，其结构为so+助动词或情态动词或be 动词+主语（主语与上文的主语一致）或so+主语（主语与上文不一致）+助动词或情态动词或be 动词，根据题目的要求，故选C