The best explanation of boiling point elevation

The best explanation of boiling point elevation caused by dissolving sodium chloride in water is becauseA) the ion-dipole interactions hold the water molecules in the liquid phase.B) the ion-ion interactions push the water molecules out of the liquid phase.C) the ions physically block water molecules from leaving the liquid surface.D) the ions physically block gas water molecules from entering the water phase.E) none of the above.please explain your answer