Why is potassium fluoride added to the electrolyte in the extraction of sodium from fused sodium chloride?

• A.Pure sodium chloride does not conduct electricity
• B.Potassium fluoride prevents the sodium produced from attacking the electrodes
• C.Potassium fluride increases conductivity
• D.Potassium fluride reduces the temperature at which sodium chloride fuses
• E.the potassium fluride acts as a catalyst