According to Marx, Who Are the Bourgeoisie and the Proletariat

According to Marx, who are the bourgeoisie and the proletariat?

A) moiety groups that dominate Western capitalism
B) exogamous social groups
C) distinct and opposed classes produced by the world capitalist economy
D) groups destined to reconcile through the postcapitalist process of alienation
E) the products of gender differentiation from Europe's tribal past