In Order to Infect a Cell,a Virus Must

In order to infect a cell,a virus must

A) inject its protein into the cell while the nucleic acid remains attached to the host cell surface.
B) have a special protein on its surface that can interact with a protein on the surface of the host cell.
C) actively burrow through the cell wall or cell membrane of the host cell to reach the cell's nucleus.
D) produce a special extension of its cytoplasm when it comes into contact with the appropriate host cell.