As Teens Get Older, How Do Their Descriptions of Themselves

As teens get older, how do their descriptions of themselves change?

A) They focus more on physical characteristics, such as if they are fat or thin.
B) They focus more on internal, abstract traits such as if they are kind or smart.
C) They focus on comparing themselves to peers such as not being as athletic as another student.
D) They focus on disparate traits such as being shy with adults yet outgoing with friends.