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': 'What is the minimum and maximum score of Expanded New Ballard Score \nSelect and explain. \nA. - 15 and 40, B. 20 and 44, C. - 20 and 44, D. - 10 and 50', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Minimum score is -10, corresponds to 20 weeks of gestational age\nMaximum score of 50, corresponds to 44 weeks of gestational age.', 'role': 'assistant'}]