This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia and other psychotic disorders, Subject name: Psychiatry
[{'content': 'Which of the following hallucinations is pathognomonic of schizophrenia \nSelect and explain. \nA. Auditory hallucinations commanding the patient, B. Auditory hallucinations giving running commentary, C. Auditory hallucinations criticizing the patient, D. Auditory hallucinations talking to patient', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hallucinations are common in schizophrenia. Auditory hallucinations are by far the most frequent, these can be an elementary auditory hallucination (hearing simple words rather than voices), Thought echo, Third person hallucination, Voice commenting on ones on the action. Only the third person hallucinations are believed to be characteristic of schizophrenia (Ref: a sho textbook of psychiatry, Niraj Ahuja, 7th edition, page no.56)', 'role': 'assistant'}]