The best and most correct answer among the choices provided from your question is the letter C or the third choice. It says that the "pattern of the wallpaper" is the part of the room the commands most of the narrator's attention. Thank you for posting your question here in Brainly. I hope my answer has come to your help.
‘The Yellow Wallpaper’ was a novel written by Charlotte Perkins Gilman. The novel was a collection of journal entries by a sick woman, who was suffering from nervous breakdown. She was been taken care of by her doctor husband, who has rented a pleasant apartment, which he thought would help his wife’s recovery. The upstairs room, where the sick woman was put had some wall papers on the walls and the patterns in these wallpapers becomes the major focus of the woman in the room.