The correct answer is D. The Urals.
The Ural Mountains are a mountain range that runs approximately from the Arctic Ocean to the Caspian Sea, separating Europe and Asia. They are the longest continental mountain range in Eurasia, and are sometimes referred to as the “Urals divide”. The Urals are a major watershed, with rivers flowing to the Arctic Ocean to the north and the Caspian Sea to the south. The mountains are also a major source of minerals, including gold, silver, copper, and iron ore.
The Pyrenees are a mountain range that runs along the border between Spain and France. They are the highest mountain range in Western Europe, and are a popular destination for hiking, skiing, and mountaineering.
The Balkans are a region of southeastern Europe that is home to a number of different ethnic groups and cultures. The region is named after the Balkan Mountains, which run through the center of the region.
The Carpathians are a mountain range that runs through Central and Eastern Europe. They are the longest mountain range in the Carpathian-Balkan region, and are a popular destination for hiking, skiing, and mountaineering.