What Argument(s) Does G

What argument(s) does G. A. Cohen use to claim Marx was a functionalist, not an exotic dialectician? Select all, but only those that apply.

A) Productive forces correspond to the relations of production.
B) The superstructure is built on top of a real foundation.
C) Social, political, and even intellectual process are conditions by the mode of production in material life.
D) Social determines consciousness.