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': 'Termination of disease by extermination of microorganism known as: \nSelect and explain. \nA. Regional elimination, B. Control, C. Elimination only, D. Complete eradication', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]