The correct you are looking for is the anwser "A"
I think it's he rarely mentions himself but goes into great details about others
The Narrator
A young, upper-middle-class woman, newly married and a mother, who is undergoing care for depression. The narrator—whose name may or may not be Jane—is highly imaginative and a natural storyteller, though her doctors believe she has a “slight hysterical tendency.” The story is told in the form of her secret diary, in which she records her thoughts as her obsession with the wallpaper grows. answer is in here
