Here's a problem to solve: Four different students take turns pushing a large, heavy ball on the school parking lot. What is the best way to determine which student used the most force to push the ball?

Among the 4 following options, which is the correct answer?

- A: compare the sizes of the students
 
- B: compare the ages of the students
 
- C: compare the distances that the ball rolled
 
- D: compare the number of times the ball was rolled
 