According to Julian Rotter, Which of the Following Individuals Would

According to Julian Rotter, which of the following individuals would likely be least effected by the opinions and viewpoints of others?

A) Someone who practices their hobbies because they get pleasure from the hobbies themselves.
B) Someone who practices their hobbies because they want to earn money from it.
C) Someone who practices their hobbies to impress someone else.
D) Someone who practices their hobbies to gain attention from others.