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': 'Retromylohyoid curtain is formed by all EXCEPT \nSelect and explain. \nA. Superior constrictor, B. Palatoglossal muscle, C. Mylohyoid, D. Masseter', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]