The correct answer is - C. it is by far the largest country in the world.
Russia is by far the largest country in the world by territory. It has 17.1 million square kilometers, and that is more than 7.1 million square kilometers of the second placed Canada. Russia is a country that is totally on the Northern and Eastern Hemispheres, and it occupies around one eight of all the habitable land mass on the planet. The country has around 144.5 million people, including the recently annexed territory of Crimea.