Final answer:
Ursula's aspiration to be 'the king of the sea' is directly linked to the representation of a monarchy within the fictional world, where one individual holds supreme power, reflecting societal norms related to political structures.The correct option is B.
Step-by-step explanation:
Ursula's question about being "the king of the sea" primarily represents a monarchy within the fictional world. This is reminiscent of real-world social hierarchies where a monarchy is a form of government with a monarch at the head. The use of the term 'king' specifically reflects the social norms related to political power and domination in the narrative.
In literary contexts, the depiction of a character desiring to be 'king' or ruler often suggests a hierarchical structure where one individual or group wields significant power over others. This can lead to a discussion on class struggle (option A) or gender equality (option C) if the narrative explores these themes, but the direct connection to the concept of monarchy is the most straightforward interpretation.