一道语法题，关于 more

DeanMing

A study on couples' retirement transitions found that women who took new jobs after retiring from their primary careers reported high marital satisfaction, more so than those who retired completely.
A. more so than those who retired
B. which was more than if they had retired
C. more than when retiring
D. more than if they were to retire
E. which was more so than those retiring 正确答案是A。 more so than 对吗？

sjjay

这里的A选项正确，so代替feel high marital satisfaction,more 表达了人数更多的比较，those who 指代正确且与前面平行对称。