The best option is 4. Radicals gained supporters among the workers.
The revolution that took place in February of 1917 deposed a tsarist regime and began Russia’s road towards a socialist state. The rise of the Bolshevik party was buoyed by the support they generated among many of the proletariats, who supported them for political, economic, and social reasons. Worker radicalism and support for a socialist revolution reached a crescendo in the months preceding the October Revolution of 1917. In October of 1917, the majority consensus among workers was that the Provisional Government was ineffective, and political change was needed to improve the increasingly dire situation in urban Russia.