Freud emphasized that the ego operates on the principle.

The appropriate response is Pleasure Principle. It is the main thrust of the id that looks for prompt satisfaction of all needs, needs and desires. At the end of the day, the delight guideline endeavors to satisfy our most essential and primitive inclinations, including hunger, thirst, outrage, and sex. At the point when these necessities are not met, the outcome is a condition of uneasiness or strain.

Ithink the answer you are looking for is (b).