Context: Figure: Buffalo Gap National Grassland.
Buffalo Gap National Grassland is a prairie grassland ecosystem in southwestern South Dakota. It is home to the endangered black-footed ferret. This is the only kind of ferret that is native to North America.
Which statement describes the Buffalo Gap National Grassland ecosystem?
A. It has hot summers and cool winters.
B. It has heavy rain.
C. It has soil that is poor in nutrients.
Identify the correct choice from the options below and respond with the letter of the correct option.

A