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: Social & Preventive Medicine
True regarding specificity - 
Select and explain. 
A. Identifies false +ve, B. Identifies false -ve, C. Identifies true + ve, D. Identifies true -ve
D: Identifies true -ve
Answer: D: Identifies true -ve 
Explanation: None