How Did Karl Marx Define Communism in His Writings

How did Karl Marx define communism in his writings?

A) As a dramatic, violent act to gather converts.
B) As an association representing the economic and social interests of members.
C) As an inevitable reaction against the abuses of bourgeoisie capitalism.
D) As rejection of state and the powers the state exercises over citizens.
E) As a platform of equitable distribution of wealth.