What Was the Social Impact of the Mongol Conquest on Russia

What was the social impact of the Mongol conquest on Russia?

A) The Russian nobility was exterminated giving rise to a society largely composed of free peasants.
B) Due to the crushing burden of tribute paid to Mongols and princes, the Russian peasantry was reduced to serfdom.
C) The cessation of trade destroyed the commercial and artisan classes of Russia.
D) Russian women were elevated to new levels of social prominence.