I think your answer would be the Letter A.
The topic sentence is the starting sentence and what you’re talking about
Cultural evolution is an evolutionary theory of social change. It follows from the definition of culture as "information capable of affecting individuals' behavior that they acquire from other members of their species through teaching, imitation and other forms of social transmission
Answer: The repeated words explain the child's imaginary powers.
Explanation:
I think you were asking for an answer to multiple choice, yes? Repitition often is used to add power or importance to a statement being made. By repeating the certain words of "King" and "Swing" you can get a sense of power that is meant to be created. The author is using it to stress the child-like imagination in the excerpt. Hopefully this answered your question and if not I'm happy to try again.
