An antibiotic is not useful against a virus whereas a vaccine is. Which one of the following is the most appropriate reason for this?

Options

A. An antibiotic can break RNA only, whereas virus has DNA.
B. An antibiotic is a carbohydrate in its chemical nature, whereas a vaccine is a protein which works well to kill a virus.
C. Only a vaccine can break the genetic material of a virus.
D. A virus does not use biochemical pathways which can be blocked by an antibiotic. But a vaccine can boost an immune system to fight the virus.