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: Medicine
False positive veneral desease research laboratories (VDRL) test have been associated with all thefollowing except - 
Select and explain. 
A. Narcotic addiction, B. Atypical pneumonias, C. Old age, D. Diabetes mellitus
D: Diabetes mellitus
Answer: D: Diabetes mellitus 
Explanation: None