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Which passage from the story best shows how the mothers attitude toward gregor has changed

What does the excerpt tell about the narratos mental shift i suppose i shall have to get back behind the pattern when it comes night,and that is hard? @a.the narraor believes that the wallpaper is beatiful b.he believes that the woman in the wallpaper will attack him when he sleeps c.the narrator believes that he cant escape from the windws with the bars d.that the narrator was once behind the wallpaper

By comparing part i and part ii of "polar opposites" what can you tell that the poet means by polar opposites poet