The part of Freud's personality structure which provides a conscience is the

A. id The id is the primitive, instinctual part that seeks pleasure and gratification. B. Superego The superego functions as the moral conscience, helping the person differentiate right from wrong. C. Superid This is not a real Freudian term and is incorrect. D. Ego The ego mediates between the id and the superego and operates on the reality principle, but it is not the moral component.