Which one of the following is the best explanation for the selective action of acyclovir (acycloguanosine) in herpes simplex virus-infected cells ?
Acyclovir binds specifically to viral receptors only on the surface of the HSV-infected cell
B. Acyclovir is phosphorylated by a virus-encoded phosphokinase only within HSV-infected cells
C. Acyclovir selectively inhibits the RNA polymerase in theHSV virion
D. Acyclovir specifically blocks the matrix protein of HSV, thereby preventing release of progeny HSV