The membrane potential of cells is determined by the sodium-potassium pump, which

(A) Creates an intracellular space that is more negative than the extracellular space and possesses more potassium

(B) Creates an intracellular space that is more positive than the extracellular space and possesses more potassium

(C) Creates an intracellular space that is more negative than the extracellular space and possesses less potassium

(D) Creates an intracellular space that is more positive than the extracellular space and possesses less potassium