Which of the following is the best example of Newton's second law?

Question

A. A rolling ball comes to a stop because the forces of friction and gravity are acting upon it.
B. The acceleration of a skydiver depends upon the force of gravity and wind resistance.
C. As a boat propeller forces water in one direction, the boat moves in the opposite direction.
D. When a basketball strikes the ground, the ground exerts an upward force on the basketball.

I think the answer is B