Here's a problem to solve: What best explains why some cooking pans have rubber handles?

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

- A: The rubber in the handles is easy to hold.
 
- B: The rubber in the handles is a good insulator.
 
- C: The rubber in the handles keeps the food in the pan hot.
 
- D: The rubber in the handles keeps the metal in the pan cool.
 