Answer:
oral
Explanation:
Sigmund Freud was one of the most influential and famous psychologists who has developed the psychoanalytic theory in which he has given five different psychosexual stages.
Oral stage: According to the psychosexual stages, the oral stage is the first stage that occurs in a child's life and it develops from the birth of a child and lasts through the twelfth or eighteenth month of the child's life. At this stage, a child is orally gratified. Freud argued that through the mouth a child connects himself or herself with the object of libido i.e, the mother's breast.
Oral fixation results in an urge for constant oral stimulation, for example, smoking, nail-biting, alcoholism, etc.
In the question above, Freud would suggest that Clarissa may be fixated in the oral stage of psychosexual development.