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': 'Infection control procedures: \nSelect and explain. \nA. That protect against monilial infection should protect against HBV, B. That protect against HBV should protect against HIV, C. That protect against HIV should protect against HBV, D. Are controlled with the use of the rubber dam', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]