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
Which of the following test completely exclude chances of a disease? 
Select and explain. 
A. Specificity, B. Sensitivity, C. Positive predictivity, D. Negative predictivity
D: Negative predictivity
Answer: D: Negative predictivity 
Explanation: None