Thirteen-Year-Old Sarah Describes Herself as "Shy" and "Outgoing

Thirteen-year-old Sarah describes herself as "shy" and "outgoing." She also says she is "a smart airhead." These disparities probably result from the expansion of Sarah's social world,which

A) creates pressure to display different selves in different contexts.
B) encourages her to exhibit her true self around her family.
C) encourages her to exhibit her true self around her friends.
D) allows her to place less emphasis on social virtues.