In Formation of Plaques by Bacteriophages Which of the Following

Multiple Choice

In formation of plaques by bacteriophages which of the following statements is true?

A) A plaque is the result of several different viruses initially infecting a single cell
B) The plaque is the result of a single virus that has replicated in many bacterial cells in a localized area
C) A plaque results when a single virus infects one cell and then does not infect any other cell
D) Plaques are the areas where cells have not been infected at all