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: Forensic Medicine
All are true regarding hallucinations, except: AIIMS 09 
Select and explain. 
A. Represents a state of inner mind's spatial orientation, B. Independent of the observer, C. Under voluntary control, D. Perception which occurs in the absence of stimulus
C: Under voluntary control
Answer: C: Under voluntary control 
Explanation: Ans. Under voluntary control