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
[{'content': 'All of the following are true about delirium except : \nSelect and explain. \nA. It is the most common organic brain disorder, B. Generalized slowing of waves are seen in EEG, C. Auditory hallucinations are more commonly present, D. Sundowning phenomenon is seen', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Visual hallucinations are the\xa0common perceptual disturbance seen in Delirium.', 'role': 'assistant'}]