Explanation:
ENERGY THAT CAN BE REPLENISHED OR TAKEN BACK AFTER USE. THESE CAN BE REPLENISHED QUICKER THAN CONSUMED!!!
The correct answer is C) prevent threatening thoughts from attaining awareness.
If you ask Freud, the purpose of defense mechanisms is to prevent threatening thoughts from attaining awareness.
According to psychologists Anna Freud, the purpose of defense mechanisms is some type of auto defenses that protect an individual, unconsciously. The protection is against anxiety or not desired thoughts or feelings, even guilt. Among those mechanisms we find, displacement, denial, repression, regression, or projection.
Anna Freud is the daughter of the renowned psychologist, Sigmund Freud.
The proper format is

No one really "said" it; it is the equation that represents Einstein's Theory of Relativity.