Question: Which point in the replication cycle appears most easily blocked by antivirals?
A: Virus absorption
B: Virus penetration
C: Virus RNA and DNA replication
D: Exit of viruses from the cell
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. Provide your response in exactly 3 paragraphs (separated nearby paragraphs with 3 aterisk symbols ***).
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