Here's a problem to solve: The particles within a substance are in constant motion. The particles in which of these substances have the lowest amount of kinetic energy?

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

- A: the wax of a candle at room temperature
 
- B: the water in a glass of ice water
 
- C: the steam from a cup of coffee
 
- D: the ice cube in a glass of tea
 