Based on Your Knowledge of Nerve Transmission,this Movement of Ions

Based on your knowledge of nerve transmission,this movement of ions will
A)stimulate a change in a postsynaptic membrane.
B)not stimulate a change in a postsynaptic membrane.
C)stimulate a change in a postsynaptic membrane if three channel events are combined.
D)stimulate a change in a postsynaptic membrane if 50 channel events are combined.
E)generate a current resulting in membrane depolarization.