Context: Figure: Oglala National Grassland.
Oglala National Grassland is a prairie grassland ecosystem in northwestern Nebraska. This grassland contains large rock formations called badlands.
Which statement describes the Oglala National Grassland ecosystem?
A. It has hot summers and cool winters.
B. It has heavy rain.
C. It has cold winters and cool summers.
Choose the right answer from the options and respond with its letter.

A