Answer:
The personality structure that is in control in the case given is:
b) ego.
Explanation:
According to Freud, there are three personality structures:
The ego is the one that best represents Anthony's situation, since although he is tired and would surely prefer to meet the needs of the id, he is forced by himself to get up, go to classes and study, in order to obtain a university degree (engine of his reality), with which in the future he can meet the needs of the id, without neglecting the reality in which he lives.