A setting is very important to any type of story, especially a short story. It can add the overall mood to what you are reading. For example, if you were to say "She's reading" that wouldn't be very appealing to readers. If you said "She was reading in a gloomy, lugubrious room in the dark corner, glancing through every line she could." That would be more interesting. I don't know if this was an answer you were looking for, but let me know if this helped.
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.
I'd go with However because it is hot, BUT they can't complain. It's the most logical one
However is just another word for BUT.
Answer: (B) The way a man chooses to live his life directly affects the quality of his life.
