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: Pharmacology
[{'content': 'Efavirenz limits HIV infection by : \nSelect and explain. \nA. Binding to active site of HIV reverse transcriptase, B. Impairing the binding of HIV virion to CD4 receptors on T–cells, C. Inhibiting the HIV protease, D. Serving as an allosteric inhibitor of HIV reverse transcriptase', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]