Communist Countries Worked Under the Premise That

Communist countries worked under the premise that

A) people, when left on their own without government intervention, will find the best use of available resources
B) central planners were in the best position to determine the allocation of scarce resources in the economy.
C) households and firms, guided by an "invisible hand," could achieve the most efficient allocation of scarce resources.
D) allowing the market forces of supply and demand to operate with no government intervention would achieve the most efficient allocation of scarce resources.