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
[{'content': 'False positive veneral desease research laboratories (VDRL) test have been associated with all thefollowing except - \nSelect and explain. \nA. Narcotic addiction, B. Atypical pneumonias, C. Old age, D. Diabetes mellitus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]