Here's a problem to solve: Tommy cut his finger. His body needed energy to help heal the cut. Where did the energy come from to heal the cut?

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

- A: from the bandage he put on the cut
 
- B: from the antiseptic cream he put on the cut
 
- C: from the food he ate
 
- D: from the water he drank
 