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
[{'content': 'For screening of an oral precancerous condition, the test needs to have: \nSelect and explain. \nA. High sensitivity, high specificity, B. Low sensitivity, high specificity, C. High sensitivity, Low specificity, D. Low sensitivity, Low specificity', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]