This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth and development, Subject name: Pediatrics
[{'content': 'Enuresis is diagnosed in a child after the age of? \nSelect and explain. \nA. 2 years, B. 3 years, C. 4 years, D. 5 years', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Enuresis: Defined as normal, complete evacuation of the bladder at a wrong place and time at least twice a month after 5 years of age. Ref: Ghai Essential Pediatrics, ninth edition, pg. no. 58.', 'role': 'assistant'}]