Context: The objects are identical except for their temperatures.
Which object has the least thermal energy?
A. a 220-gram bottle of water at a temperature of 19°C
B. a 220-gram bottle of water at a temperature of 25°C
C. a 220-gram bottle of water at a temperature of 9°C
From the given choices, select the correct answer and reply with the letter of the chosen option.

C