Women are at a greater risk of depression than men partially because women are more likely to

Women are at a greater risk of depression than men partially because women are more likely to OVERTHINK  in response to stressful circumstances.

on most cases, men strength lies on solving the practical case, while women's strength lies on solving the cases that need empathy and affection. Since a lot of emotions often fight over in women's psyche, women are more prone to depression compared to men

Im not on hundred persent on this, to me it would seem as if C. Common Cause would be most probable.  With A. and D., national does not allways mean public.  As for B i dont have anything to say.