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A.
Danube
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B.
Ural
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C.
Dnieper
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D.
Volga
Correct Option: DExplanation:
The Volga is the longest river in Europe. It is also Europe's largest river in terms of discharge and watershed. The river flows through central Russia and into the Caspian Sea and is widely regarded as the national river of Russia.
Length of this river is 3,692 km.