Hi! :)
I have this paper too.
The world focuses too much on outward appearances; one shouldn't try to live up to others' expectations.
I believe the answer is \B, but im goin offa memory here
The thing that happen between chapter 21 and chapter 22 is the tone permanently changes to a more cynical attitude and this is the significant structural shift. The answer to this question is which asking about what happen between chapters 21 and 22 is that the tone permanently changes to a more cynical attitude.
Answer:
lo siento pero no se inglés