This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Psychoanalysis, Subject name: Psychiatry
Psychoanalysis was introduced by: 
Select and explain. 
A. Freud, B. Schielder, C. Dale and denicker, D. Eugen bluer
A: Freud
Answer: A: Freud 
Explanation: A ref: Ahuja, 4th/e p. 189 and 5th/e p. 211