Why Did Max Weber Largely Disagree with Karl Marx's Ideas

Why did Max Weber largely disagree with Karl Marx's ideas on religion?

A) Weber argued that religion was not necessarily a conservative force; rather,religiously inspired movements have often produced dramatic social transformations.
B) Weber held that religion,rather than being the "opium of the people," actually had a much more sinister effect of teaching the populace basic lessons about the repression of desire.
C) Weber thought that Marx looked too much at society's structures when it came to religion and failed to account for daily life.
D) Weber knew that religion was embedded in human culture and that it could not be reduced to the workings of the state.