Please answer the question based on the following passage. You need to choose one letter from the given options, A, B, C, or D, as the final answer, and provide an explanation for your choice. Your output format should be ###Answer: [your answer] ###Explanation: [your explanation]. ###Passage:twenty three.The computer anti-virus company calls the viruses that have been captured and processed as known viruses, otherwise it is an unknown virus.So far, antivirus software's prevention of new viruses lags behind the emergence of viruses, because antivirus software cannot know the situation of new viruses in advance.Some people want to develop anti-virus tools that proactively defend against new viruses.This is impossible.It is as whimsical as trying to make special drugs for an unknown disease. ###Question:Which of the following, if true, can weaken the above argument to the greatest extent? ###Options: (A)Viruses that are truly innovative and technologically breakthrough are usually conceptual viruses, which are generally not very destructive. (B)99% of new viruses are written after imitating known viruses.The characteristics of their transmission, infection, addition, and destruction can be learned from known viruses. (C)Computer viruses are written by humans.They are much simpler than viruses in the biological world. (D)Every time an anti-virus company claims to discover a new virus, it is determined by a certain method. Your entire response should be in English, and in all capital letters.
user