B, because it said “He already won great influence by his achievements, he secured the flavor of the king”
Egomania is basically intolerably self-centred. In a more technical sense, it's an obsession -- an obsessive preoccupation with one's own self, usually in the form of following own impulses and have delusions of grandeur.
Megalomania is a rather loose term, and usually means have delusional fantasies of omnipotence (having unlimited or very great power, whatever 'power' might mean to that person). Interestingly, megalomania was the standard term for narcissistic personality disorder before the 1960s (so far as I recall from my psychology degree over 30 years ago).
The answer is most likely to be A
Answer: B) The narrator believes that she was once behind the wallpaper herself.
Explanation: In the given excerpt from "The Yellow Wallpaper" we can see the description of how the narrator doesn't like to look out of the windows because she sees creeping women. From the given options, the phrase that tells the reader about the narrator's mental shift is "The narrator believes that she was once behind the wallpaper herself" we can see this when she says " I wonder if they all come out of that wall-paper, as I did?"
