What happens in "Eleven" during the exposition?

A. Rachel describes how it feels to wake up as an eleven-year-old.
B. A student suggests that the red sweater belongs to Rachel.
C. Rachel struggles to understand her classmates and teacher.
D. Mrs. Price encourages Rachel to wear the red sweater.

In 2081, everyone is equal not only in the eyes of the law but in every way; nobody is smarter, more athletic, better looking, etc. than anyone else. hazel is of average intelligence, which means she can't think about anything except in short bursts, and george has an intelligence way above normal.