The answer is A. But to be a little more specific, the 18th century as actually 1701-1800.
Is found in "psychoanalysis".
Sigmund Freud 's psychoanalytic hypothesis of personality contends that human conduct is the consequence of the connections among three segment parts of the mind: id, ego, and superego. The principle objective of psychoanalytic treatment is to bring unconscious material into cognizance and upgrade the working of the ego, helping the individual turn out to be less controlled by bio drives or demands of the superego.
