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: Pediatrics
Baby is bed-dry at age of: March 2013 (g) 
Select and explain. 
A. 3 years, B. 4 years, C. 5 years, D. 6 years
C: 5 years
Answer: C: 5 years 
Explanation: Ans. C i.e. 5 years More than 85% children will have complete diurnal and nocturnal control by 5 years of age