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 difficulty in constructing C.D in a bell's palsy patient is \nSelect and explain. \nA. Impression taking, B. Teeth setting, C. Border moulding, D. Jaw relations", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]