Freud's Concept of the Ego Is Most Likely Referred to as the "Executive

Freud's concept of the ego is most likely referred to as the "executive of the personality" because it:

A) is the first to form and therefore the most senior personality structure.
B) functions primarily in the conscious mind,which represents the highest level of mental functioning.
C) must balance the needs of the id,superego,and reality.
D) generates and provides the psychic energy on which the other personality structures depend.