Answer:
A). Id: Superego.
Step-by-step explanation:
As per Freud's theory, Carol's struggle would be described as the outcome of the conflict between her id(which reflects her desire to drink) and her 'superego'(morality or social standards principle that prevents/discourages her for drinking). Freud in his theory of human mind described 'id' as the 'instinctive and impulsive part' that operates unconsciously on our pleasures and impulses(no association to reality) while 'superego' functions to control the impulses of Id as it functions on morality goals and focuses on ideal or standard goals(through guilt). Therefore, Carol's instincts/desires drive a temptation in her to drink but her moral self aims to prevent her from these immoral instincts. Thus, option A is the correct answer.