In Mammals, Viruses Are Able to Move About the Body

Multiple Choice

In mammals, viruses are able to move about the body in the blood. Plants do not have blood or arteries or veins, so how do viruses move from cell to cell?

A) Each time a plant cell is lysed by the virus, its neighbours become infected.
B) They do not move about; only one plant cell is ever infected by a virus.
C) They move through the plasmodesmata.
D) They move along the surface of the plant.