This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Sigmund Freud divided "Id, Ego and Superego" as 3 components of mind according to 
Select and explain. 
A. Topographical theory of mind, B. Structural theory of mind, C. Psychoanalytical theory of mind, D. Primary process of thinking
B: Structural theory of mind
Answer: B: Structural theory of mind 
Explanation: Structural theory of mind: Includes Ig, Ego and Superego
Topographical theory of mind: Includes Unconscious, Preconscious and Conscious as 3 parts of mind.