Context: Figure: Gobi Desert.
The Gobi Desert is a cold desert ecosystem located in northern China and southern Mongolia. This desert is next to the Himalayan Mountains and used to be part of the Mongol Empire.
Which statement describes the Gobi Desert ecosystem?
A. It has long, cold winters.
B. It has year-round snow.
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

A