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
For partially edentulous patients, the best treatment option is? 
Select and explain. 
A. Natural tooth-supported fpd, B. RPD, C. Implant-supported fpd, D. Depends on number and location of the missing teeth
D: Depends on number and location of the missing teeth
Answer: D: Depends on number and location of the missing teeth 
Explanation: None