Which statement best describes electrolytes in intracellular and extracellular fluid?

D There is an equal concentration of sodium and potassium between intracellular and extracellular fluid B There is an equal concentration of sodium and potassium in extracellular fluid A There is a greater concentration of sodium in extracellular fluid and potassium in intracellular fluid C There is a greater concentration of potassium in extracellular fluid and sodium in intracellular fluid