Conflict theories emphasize the importance of social structures in societies; however, unlike functionalism, which focuses on the consensus, they focus on power, social divisions, inequality and struggle among different groups pursuing their own interests. Unlike functionalism, these theories introduce a social analyses that emphasize conflict. The vast majority of conflict theories argue that conflict is inevitable and continues. Therefore, there is always a change in the society. On the other hand, since functionalist sociologists deal with society as a functional unity, they are mainly interested in order, balance, harmony, stability and collaboration. Critical theorists have argued that the problem of modernity is not just the injustices and inequalities of the capitalist system, but that all modern societies are organized by instrumental rationality. On the other hand, Parsons argues in his structural-functional approach that social order stems from value consensus rather than obligation. Parsons states that what prevents society from collapsing is order, i.e how a system operates and there are certain functional obligations that needs to be fulfilled to ensure the operation of the system and each system has its sub-systems that fulfill these functions. Thus, the mutual benefit is in the centre of this approach. The correct answer is D.