Context: Figure: Tibetan Plateau.
The Tibetan Plateau is a tundra ecosystem located in Tibet, western China, and northern India. The plateau is over 14,800 feet high and is surrounded by many mountain ranges.
Which statement describes the Tibetan Plateau ecosystem?
A. It has dry, thin soil that is rich in nutrients.
B. It has many evergreen trees.
C. It has mostly small plants.
Select the correct answer from the provided options and reply with the letter associated with it.

C