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
[{'content': 'False positive in a screening test is mostly due to: \nSelect and explain. \nA. High specificity, B. High sensitivity, C. High prevalence, D. Low prevalence', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Low prevalence', 'role': 'assistant'}]