Why Did Karl Marx Consider Religion the Opiate of the Masses

Multiple Choice

Why did Karl Marx consider religion the opiate of the masses?

A) He was jealous of the influence religion has on behavior norms in society.
B) He felt that religion distracts people from their own suffering, by focusing on salvation.
C) The Catholic church excommunicated (shunned) him, and he was bitter about it.
D) Religion lends itself to communism, and Marx was an avowed capitalist.