Here's a problem to solve: A student gives a red toy car a push on a wooden floor. The student then pushes the same red toy car on a cement floor. Which question is the student most likely investigating?

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

- A: How fast does a toy car usually roll?
 
- B: What is the best way to make a toy car roll?
 
- C: Which surface allows a toy car to roll farther?
 
- D: Does color have an effect on the distance a toy car rolls?
 