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
A subcentre caters the population of: 
Select and explain. 
A. 5000, B. 10,000, C. 500,000, D. 1 lac
A: 5000
Answer: A: 5000 
Explanation: 5000