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

### Question:
Rat snakes, Elaphe obsoleta, are a species made of many distinct populations in different areas. Each of the populations has different markings and colorings. Where would rat snakes most likely be gray?

### Choices:
A. in a forest
B. in a swamp
C. in a gravel pit
D. in a corn field

### Answer:
