Which of the Following Is NOT a Characteristic of the Development

Which of the following is NOT a characteristic of the development of self-concept during adolescence?

A) In the development of a self-concept, girls seem to be influenced by both internal and external comparisons with others, whereas boys are more influenced by their internal, self-defined standards.
B) Adolescents' self-concepts become more differentiated, and they are able to envision themselves in a variety of roles.
C) By late adolescence, most teenagers think of themselves in terms of enduring traits, beliefs, or moral standards.
D) Adolescents increasingly define themselves in terms of their appearance and physical qualities.