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: Medicine
HBV replication is indicated by 
Select and explain. 
A. HBV DNA, B. DNA polymerase, C. HBe Ag, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: None