Jared Describes Himself as a Thin, Muscular, and Talented Surfer

Multiple Choice

Jared describes himself as a thin, muscular, and talented surfer. His friend Joseph also surfs and affirms that Jared is a good surfer. Jared feels good about his body because being thin and muscular is considered a norm in surfing culture. Which part(s) of this description convey(s) Jared's self-concept?

A) Joseph is his friend.
B) He values Joseph's opinion.
C) He describes himself as a thin, muscular, and talented surfer.
D) Being thin and muscular is a norm in surfing culture.