A Cell Membrane Can Undergo a Rapid Change from the Resting

A cell membrane can undergo a rapid change from the resting potential to carrying an action potential.Which process enables this change?

A) Lipids in the cell membrane allow a few positive ions to move into the cell.
B) Lipids in the cell membrane allow many positive ions to move into the cell.
C) An ion channel protein allows a few positive ions to move into the cell.
D) An ion channel protein allows very large numbers of positive ions to move into the cell.
E) An ion channel protein floods the entire bulk solution in the cell with positive ions.