Final answer:
Russia stretches across two continents, Europe and Asia.
Step-by-step explanation:
The correct answer is C. two.
Russia stretches across two continents, namely Europe and Asia. The Ural Mountains in Russia serve as the traditional boundary between Europe and Asia.
Russia's westernmost point is in Europe, while its easternmost point is in Asia. With such a vast land area, Russia is the largest country in the world.
Learn more about Russia's geography