What Changes Did Lenin and the Bolshevik Government Institute in Russia

What changes did Lenin and the Bolshevik government institute in Russia after the Bolshevik Revolution in the fall of 1917?

A) They reorganized the collapsed Russian army to fight off the German invasion, organized elections for local and national offices, and restructured the economy.
B) They used troops to take over the government, limited elected candidates to members of the Communist Party, abolished private property, and nationalized factories.
C) They first secured the food supply to prevent peasant uprisings and keep supplies moving to the front and then reorganized the economy and political system.
D) They instituted universal suffrage for both men and women, abolished all political parties except for the Communist Party, and instituted mandatory primary schooling for all peasants.