The correct option is B Russia
Russia lies on both the continents of Europe and Asia . Russia is the largest country in terms of land area on the Eurasian landmass. Eurasia is the term used to refer to the combined landmass of Europe and Asia. Though there is no geographical division between both Europe and Asia, it has a political division. The continent of Europe is separated from the continent of Asia by the Ural mountains, the Caspian sea, the Black Sea and the Caucasus mountains.