<span>As it turns out, Mrs. Winterbottom leaves to reconnect with a son she gave up for adoption before she married Mr. Winterbottom. She never told anyone about this son for fear of not seeming "respectable." She is very worried about being "respectable," perhaps because Mr. Winterbottom cares so much about being respectable, too.</span>
I think the second choice is most important
The correct answer is D - feeling that one is an outsider. Being "marginalized" means being on the margin, far from everybody else, having the feeling that you don't belong anywhere. These people usually feel lonely, rejected, as if they had nobody but themselves in the world.
You use one by kind of like end of sentences but they are pausing. I think that's how you use them.
