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': 'Most prominent feature of Angle class II div. 2 is: \nSelect and explain. \nA. Lingually placed maxillary central incisors, B. Labially placed maxillary central incisors, C. Large overbite, D. High palatal vault', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]