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
Rooting reflex disappears in: 
Select and explain. 
A. 2 months, B. 3 months, C. 4 months, D. 5 months
C: 4 months
Answer: C: 4 months 
Explanation: If the range is asked, then the answer will be 3-4 months.