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
Which of the following is not a first rank symptom of Schizophrenia 
Select and explain. 
A. Thought insertion, B. Auditory hallucination, C. Delusion, D. Made volition.
C: Delusion
Answer: C: Delusion 
Explanation: Delusion can also be seen is Schizophrenia, but not considered under 11 first rank symptoms given by K.Schneider.