Context: Figure: Tibetan Plateau.
The Tibetan Plateau is a tundra ecosystem located in Tibet, western China, and northern India.
Which better describes the Tibetan Plateau ecosystem?
A. It has long, cold winters. It also has many evergreen trees.
B. It has mostly small plants. It also has soil that is frozen year-round.
Select the correct answer from the given choices and respond with the letter of the chosen option.

B