This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
All of the following drugs have activity against hepatitis 
Select and explain. 
A. Lamivudine, B. Zidovudine, C. Emtricitabine, D. Telbivudine
B: Zidovudine
Answer: B: Zidovudine 
Explanation: Refer KDT 7th/803-805 Anti HiV drugs effective against HBV Are L-Lamivudine E-Emtricitabine T:Tenofovir