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': 'A child who had a congenital defect of cleft lip and\ncleft palate is most likely to suffer from which kind of malocclusion \nSelect and explain. \nA. Bilateral posterior cross bite, B. A collapsed anterior mandibular arch, C. Protrusion and spacing of maxillary anterior teeth, D. Class II division I malocclusion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]