Read the excerpt from "Why I Wrote 'The Yellow Wallpaper.'"

This wise man put me to bed and applied the rest cure, to which a still-good physique responded so promptly that he concluded there was nothing much the matter with me, and sent me home with solemn advice to “live as domestic a life as far as possible,” to “have but two hours’ intellectual life a day,” and “never to touch pen, brush, or pencil again” as long as I lived.

What social attitude of Gilman’s era does this excerpt best demonstrate?
Women who were not married were considered dangerous.
Women were not allowed to vote in local or national elections.
Women were not supposed to exert themselves much physically.
Women were not considered suited to work outside the home.

Women were not supposed to exert themselves much physically.