Select the correct answer. Read these excerpts from Charlotte Perkins Gilman's "The Yellow Wallpaper" and F. Scott Fitzgerald's "Winter Dreams." What common theme do they share?

I don't like our room a bit. I wanted one downstairs that opened on the piazza [large porch]. . . but John would not hear of it. He is very careful and loving, and hardly lets me stir without special direction.
(from "The Yellow Wallpaper")

His heart turned over like the fly-wheel of the boat, and, for the second time, her casual whim gave a new direction to his life . . . Dexter had no desire to change her. Her deficiencies were knit up with a passionate energy that transcended and justified them . . . The helpless part of trying to do anything about it was that she did it all herself.
(from "Winter Dreams")

A.
the sanctity of marriage
B.
the inability of people to solve problems
C.
the dynamics between genders
D.
the state of mental healthcare