Test analysis: According to historical facts, the "second revolution" in the materials refers to the October Revolution. "April seems to be a strange slogan" refers to the content of the April outline. Lenin pointed out in the outline that Russia's bourgeois-democratic revolution has been basically completed, and it should transition to the stage of socialist revolution, realize the dictatorship of the proletariat and the poor peasants, and return all political power to the Soviet Union. Therefore, item A should be selected.