Which of the Following Hypotheses Based on Social Learning Theory

Which of the following hypotheses based on social learning theory best reflects the cognitive aspect of the theory?

A) The development of an office manager's personal leadership style is a process of imitating the practices of other managers.
B) The key to one doctor's success in treating her patients is her access to her highly respected clinical supervisor.
C) The reason a basketball coach is leaving his job is frustration with his team's losses, which he blames on the poor performance of his players.
D) The tendency of a lawyer to take on important cases is the result of encouragement received after earlier efforts.