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: Social & Preventive Medicine
[{'content': 'Udai Pareek scale does not include \nSelect and explain. \nA. Education, B. Family members, C. House, D. Income', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]