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': 'Rashtriya Swasthya Bima Yojana was launched in: \nSelect and explain. \nA. 1999, B. 2002, C. 2005, D. 2008', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Rashtriya Swasthya Bima Yojana was launched in 2008. The objective is to improve access to health care in unorganised work force in the BPL category. Ref: Textbook of community medicine, S. Lal, 3rd edition pg: 629.', 'role': 'assistant'}]