This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Child psychiatry, Subject name: Psychiatry
[{'content': 'Normal IQ is \nSelect and explain. \nA. 45, B. 85, C. 65, D. 100', 'role': 'user'}, {'content': 'Answer: D \nExplanation: IQ ranges of 70-80 Boderlline deficiency 80-90 dullness 90-110 normal/ average intelligence 110-120 superior intelliegnce 120-140 very superior intelligence >140 genius Ref: Wikipedia.', 'role': 'assistant'}]