The Russian Civil War Pitted Which Two Groups Against Each

The Russian civil war pitted which two groups against each other?

A) Russian peasants ("Whites") against urban Bolsheviks ("Reds") who wanted to nationalize farms and turn peasants into factory workers
B) Russian soldiers ("Reds") , many of whom were on the verge of starvation, against peasants ("Whites") , who believed the soldiers were treasonous deserters
C) Bolsheviks ("Reds") against the Russian army ("Whites") , many of whom supported the tsar and believed the Bolsheviks had betrayed them in signing the Treaty of Brest-Litovsk
D) The pro-Bolshevik "Reds" against the "Whites," who were made up of an array of forces that wanted to turn back the revolution, including the tsarist military leadership