How Did Stalin Remake Soviet Agriculture with the First Five-Year

How did Stalin remake Soviet agriculture with the first Five-Year Plan?

A) He expanded the reforms of the New Economic Policy,introducing elements of the free market into agriculture.
B) He collectivized farms in the Soviet Union,which eliminated private ownership of land and animals.
C) He moved workers from Russia's cities to the Ukrainian countryside to help with agricultural production.
D) He highlighted the important role of peasants as class revolutionaries.
E) He introduced local markets in the countryside to improve nutrition for Soviet citizens.