Which explains how ocean currents affect climate?

a ocean currents change the temperature of air masses. Cold ocean currents transport heat from the equator to the poles
b ocean currents change the temperature of landmasses. Warm ocean currents transport heat from the equator to the poles
c ocean currents change the temperature of air masses. Warm ocean currents transport heat from the equator to the poles
d ocean currents change the temperature of landmasses. Cold ocean currents transport heat from the equator to the poles

c ocean currents change the temperature of air masses. Warm ocean currents transport heat from the equator to the poles