Please help me complete this for brainliest (Attachment above)

Which of these statements best explains why the ocean currents in the northern hemisphere tend to move in the clockwise direction? a-the currents deflect to the right due to the rotation of earth.b-the change in gravitational forces causes currents to move towards right.c-the deflection of winds to the left causes the currents to move in the opposite direction.d-the altered wind speed due to earth's rotation causes the movement of ocean water.