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
[{'content': 'In a newborn child, we generally see \nSelect and explain. \nA. Maxillary protrusion, B. Maxillary retrusion, C. Mandibular protrusion, D. Mandibular retrusion', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pre-dentate period\nAt birth, the newborn has a small face, large head and small chin.\nTextbook of orthodontics OP Kharbanda page 458', 'role': 'assistant'}]