In Marxian Economic Theory, What Three Facts About Production Pervade

In Marxian economic theory, what three facts about production pervade every society?

A) A natural environment which could be transformed is necessary.
B) Machines and tools contribute to the transformation of nature and therefore receive profits.
C) Nature contributes nothing to its own transformation; labor is the source of production.
D) Production is a social activity dependent upon cooperation and coordination.
E) Market prices embody the labor of particular workers.