C
Below is a question with multiple-choice answers. Choose the correct option based on your reasoning.

### Question:
A student leaves a rock in the Sun on a bright afternoon. An hour after sunset, the weather is cool, but the rock still feels warm. The student has demonstrated a property of the rock resulting directly from which of the rock's other properties?

### Choices:
A. its reactivity
B. its magnetism
C. its specific heat
D. its chemical energy

### Answer:
