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: Unknown
[{'content': 'Which of the following is a behavioral disorder ? \nSelect and explain. \nA. Thumb sucking, B. Nail biting, C. Tics, D. Temper tantrum', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ref. The Short Textbook of Pediatrics. Pg 108\n\xa0\nAGE SPECIFIC BEHAVIOURAL DISTURBANCES:\n\xa0\n\nINFANCY AND PRESCHOOL YEARS:\n\n\nTemper tantrums\nBreath holding spells\nPica\nSleep problems\n\n\xa0\n\nCHILDHOOD AND ADOLESCENCE:\n\n\nLying\nStealing\nTruancy and running away\nFire setting\nAggression and bullying\nSelf injurious behavior\n\nTruancy:\n\xa0\xa0\xa0\xa0 Represent disorganization within the home,caretaking needs of younger siblings,developing conduct problems or emotional problems', 'role': 'assistant'}]