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': 'The continuous band of muscles constituting Buccinator mechanism is anchored at \nSelect and explain. \nA. Pharyngeal tubercle of occipital bone, B. Supranuchal line of occipital bone, C. Base of occipital bone, D. Infranuchal line of occipital bone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]