Definition: You are given a question on virology. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: 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

C