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': 'IQ of 70 - 75 denotes \nSelect and explain. \nA. Borderline MR, B. Moderate MR, C. Severe MR, D. Normal intelligence', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Normal IQ → 90-109; Borderline IQ → 70-89; Mild mental retardation IQ → 50-69; Moderate mental retardation IQ → 35-49; Severe MR IQ → 20-34; Profound MR IQ → 0-19.', 'role': 'assistant'}]