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

### Question:
Which of these would be the best representation of the particles in a solid material?

### Choices:
A. The football players playing on the field.
B. The planes flying over the football stadium.
C. The spectators sitting in their seats at the football stadium.
D. The spectators arriving at the football stadium and moving to their seats.

### Answer:
