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
Termination of disease by extermination of microorganism known as: 
Select and explain. 
A. Regional elimination, B. Control, C. Elimination only, D. Complete eradication
D: Complete eradication
Answer: D: Complete eradication 
Explanation: None