求助！好心人帮帮忙吧！积人品呀！

苗苗心圃G

Q36. p1-sc



A study on couples' retirement transitions found that women who took new jobs after retiring from their primary careers reported high marital satisfaction, more than when retiring completely.



(A) more than when retiring

(B) more than if they were to retire

(C) more so than those who retired

(D) which was more so than those retiring

(E) which was more than if they had retired

答案是C
求详解！！！！谢谢！
so在这里做什么成分呢？

kevinreal

我觉得so这里就是指代前面reported high marital satisfaction。