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': 'For partially edentulous patients, the best treatment option is? \nSelect and explain. \nA. Natural tooth-supported fpd, B. RPD, C. Implant-supported fpd, D. Depends on number and location of the missing teeth', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]