QUESTION 1: B. The narrator’s mental state.
In “The Yellow Wallpaper,” the wallpaper symbolizes the narrator’s mental state. The narrator actually once describes the wallpaper has having a look like a broken neck and, too, mentions it looks like it committing suicide. The descriptions of the paper get odder and odder with regard aesthetics to eventually what can be interpreted as crazy, and this parallels the narrator’s steady decline into insanity. Because of this parallel, again, the wallpaper can certainly be said to symbolize the narrator’s mental state.
QUESTION 2: B. Feeling of being trapped and her desire to escape.
The narrator of “The Yellow Wallpaper” projects her own feeling of being trapped and her desire to escape onto the woman creeping behind the wallpaper. As the story progresses, the narrator becomes less and less content with her status within the house/room with the yellow paper. As the story progresses, she begins to see a woman in the wallpaper behind what appear to her as bars. Thus, because the narrator desires to escape her situation as does the woman behind the bars in the wallpaper, it can be said that the woman she sees is a projection of feeling of being trapped and desire to escape.