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: Dental
Separation through rubber ring or band takes 
Select and explain. 
A. 2-3 days to 1 week, B. 1-2 days, C. 1-3 weeks, D. None of the above
A: 2-3 days to 1 week
Answer: A: 2-3 days to 1 week 
Explanation: None