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: Medicine
[{'content': "A 36-yr-old female who is a chronic alcoholic feels that she can hear voices commanding her to do a thing and has difficulty in falling sleep. Diagnosis is \nSelect and explain. \nA. Delirium tremens, B. Depression, C. Alcoholic hallucinosis, D. Wernicke's encephalopathy", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]