What Was the Essence of the Soviet Policy of Russification

What was the essence of the Soviet policy of Russification in Central Asia and the Southern Near Abroad countries?

A) Russian was the language of the state, and all official documentation was maintained in Russian, native languages had been relegated to the position of peasants, second-class languages. Russian officials occupied key leadership positions in all spheres of social, political, and economic life.
B) Russian was the language of the state, however all official documentation was maintained in two languages, in local and in Russian. In the majority of public schools in urban settings, the educational process was conducted in native languages. Russian officials occupied key leadership positions in all spheres of social, political, and economic life, with a native national deputy.
C) Russian was the language of the state; however native languages, native arts and folklore have been funded as a priority. A leader of any entity was supposed be a native, with a Russian national deputy as a sign of recognition of local culture
D) B and C
E) None of the above