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': 'The antiretroviral drug which is also effective in chronic active hepatitis–B infection is : \nSelect and explain. \nA. Zidovudine, B. Nelfinavir, C. Efavirenz, D. Lamivudine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]