At the Neuron's Resting Membrane Potential, Chloride Ions Are at Equilibrium;

Multiple Choice

At the neuron's resting membrane potential, chloride ions are at equilibrium; what else must be true?

A) The driving forces on sodium and potassium are equal and in opposite directions.
B) The concentrations of sodium and potassium are equal on opposite sides of the membrane.
C) The permeability of the membrane to sodium and potassium are equal.
D) The ratio of sodium to potassium is equal on opposite sides of the membrane.
E) The products of the driving force and permeability for sodium and potassium are equal and opposite.