A small rock bounces off the windshield of a moving car and experiences a large change in velocity. How does the car's momentum change?

A. It has a change in momentum equal to that of the rock, in the opposite direction.
B. It has a much smaller change in momentum than that of the rock, in the opposite direction.
C. It has a change in momentum greater than that of the rock, in the opposite direction.
D. It does not change.

C. It has a change in momentum greater than that of the rock, in the opposite direction.