C
If one wants to succeed, then one should act as though one were genuinely confident about one' s abilities, even if one actually distrusts one' s skills. Success is much more easily obtained by those who genuinely believe themselves capable of succeeding than by those filled with self-doubts. Which one of the following statements, if true, most strengthens the argument?
A: Success is usually more a matter of luck or determination than of skill.
B: Self-doubt can hamper as well as aid the development of the skills necessary for success.
C: Genuine confidence is often a by-product of pretended self-confidence.
D: Those who convince others that they are capable of succeeding usually have few self-doubts.