Sentence 3 supports the main idea of the passage the least because it doesn’t even mention anything about the women in their family, it definitely talks about women and their active ness in politics, but it doesn’t have anything to do with the women in their family whereas all the other sentences do.
Hope this helps!
D, the last answer, seems the most plausible.
Jay was not strong enough under the pressure of Toms hard exterior and the whole secret was like the elephant in the room where everyone knew but wasn't speaking of it as nick observed