According to Karl Marx,there Were Two Central Contradictions of Class

According to Karl Marx,there were two central contradictions of class inequalities.Which of the following TWO answers accurately define these contradictions?

A) In class societies,wealth is always distributed away from its producers//Whilst capitalism excels at producing abundance,the relations of production lead to a reliance on out-dated modes of production
B) Whilst capitalism excels at producing abundance,the relations of production lead to a reliance on out-dated modes of production//Third-world countries provide cheap labour for production but individuals in these countries have shorter life spans than those in developed countries
C) Third-world countries provide cheap labour for production but individuals in these countries have shorter life spans than those in developed countries//Science has replaced the role of the state to legitimise decisions over production,however,in capitalist societies the state is still the key site of power
D) Science has replaced the role of the state to legitimise decisions over production,however,in capitalist societies the state is still the key site of power//In class societies,wealth is always distributed away from its producers