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

### Question:
A large, solid spherical body in the solar system is classified as a moon. Which characteristic of the body gives it this classification?

### Choices:
A. It rotates on its axis.
B. It lacks liquid water.
C. It orbits a nearby planet.
D. It reflects light from a star.

### Answer:
