When the Tsarist Government Collapsed in the Face of Demonstrations

When the tsarist government collapsed in the face of demonstrations demanding bread and widespread mutinies

A) a provisional government assumed temporary authority, while the capital came to be governed by the Petrograd Soviet.
B) the Bolsheviks under Lenin immediately staged a coup and established Soviet Russia.
C) the provisional government immediately took Russia out of the war in order to address the social and economic problems that had helped bring down Nicholas II.
D) Nicholas II and his family retired to the Crimea.
E) the new government took Russia out of the war.