The correct is answer is A: The main idea of your essay
Hope this helps!
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.
To determine if someone talking is telling the truth, watch for body language. IF the person is fidgeting, keeps looking away, or stumbles upon their words, there is a high possibility they aren't telling the truth.
Ask yourself if what they are saying is possible or makes sense