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
[{'content': 'A 5-year old child is assessed to have developmental age of one year. His developmental quotient would be- \nSelect and explain. \nA. 100, B. 80, C. 60, D. 20', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 20", 'role': 'assistant'}]