This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
[{'content': 'Kuppuswamy socioeconomic status scale comprises of - \nSelect and explain. \nA. Education, family size and housing, B. Education, occupation and housing, C. Income, family size and land holding, D. Education, occupation and income', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Kuppuswamy &;s socio-economic status scale education occupation family income per month (refer pgno:690 park 23 rd edition)', 'role': 'assistant'}]