It's C. the narrator's insanity makes her an unreliable narrator and it's difficult to understand what's going on because we only get her perception--and obviously the perception of someone insane isn't easy to understand. B is simply incorrect, because first person POV doesn't tell you the thoughts of all characters, and D. is incorrect as well. in no way does it address the reader. in regards to A, we don't really connect with her because we don't understand what's happening throughout the story.
Answer:
C
Just Trust me I know. Trust.
Answer:On Hassan's birthday, Baba summoned him to the house as usual to collect his present. To Hassan, Amir, and Ali's shock, Baba had hired a plastic surgeon to correct Hassan's harelip. Amir was jealous that Baba was giving Hassan such special attention. The surgery went well and Hassan could finally smile an unbroken smile. Ironically, Amir explains, it was soon after that Hassan stopped smiling for good.