Context: Figure: Taklamakan Desert.
The Taklamakan Desert is a cold desert ecosystem in northwestern China. Towns in this desert were stops along the Silk Road, a historical trade route between China and eastern Europe.
Which statement describes the Taklamakan Desert ecosystem?
A. It has year-round snow.
B. It has long, cold winters.
C. It has a medium amount of rain.
Determine the correct option from the provided choices and reply with its corresponding letter.

B