answer 5 & 6 please

5. How does the specific antibody mediated response combat specific viruses during an infection? A. It coats virions and facilitates virion killing through activated complement and natural killer cells B. It neutralizes virus infectivity by preventing attachment of virions to cells C. It coats virions and facilitates their phagocytosis D. A, B, C are true E. None of the above 6. How have some viruses evolved to counteract the action of specific cytotoxic T cell response? A. They produce proteases that degrade the cells B. They reduce the expression of MHC class I antigens on the surface of infected cells C. They produce proteins that reduce the natural killer cells response D. A, B, C are true E. None of the above