What is the climax of the short story Charlotte Perkins “The Yellow Wallpaper”?

A、The narrator appeal to spend her time writing and socializing gets overruled by the husband;

B、The narrator strips off all the wallpaper in her room.;

C、The wallpaper freaks out the narrator, and she imagines a woman trapped within the paper.;

D、John attempts to find out what his wife is up to.