Here's a problem to solve: Some plant cells need energy to carry nutrients across the cell membrane. Which type of energy transformation does these plant cells use to bring the nutrient molecule inside the cell membrane?

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

- A: thermal energy to kinetic energy
 
- B: potential energy to light energy
 
- C: chemical energy to kinetic energy
 
- D: kinetic energy to potential energy
 