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 support for a removable partial denture is usually: \nSelect and explain. \nA. Tooth support, B. Mucosa support, C. Occlusal rest support, D. Tooth and mucosa support', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]