What Was Lenin?s Solution to Russian Participation in World War

What was Lenin?s solution to Russian participation in World War I?

A) He launched a massive offensive campaign that carried Russian forces deep within Germany.
B) He immediately demanded that his British and French allies send humanitarian, economic, and military aid to the eastern front.
C) He negotiated a peace treaty with the Germans and surrendered huge amounts of land on Russia?s western border.
D) He successfully achieved a significant role at the Versailles peace negotiations.