The correct option is A It never supported the revolutionaries.
The Imperial Russian Army (also known as 'Russian steamroller') was the armed force of the Russian Empire, active from around 1721 to the Russian Revolution of 1917 when Tsar Nicholas II was ruling the country. It consisted of more than 900,000 regular soldiers and was the largest armed force during the First World War. The army also played an important role in the downfall of the Tsarist power.