The correct answer is C.
In literary analysis, the plot is determined by the narrator’s point of view.
Depending on who narrates the story and his or her point of view, the plot changes completely.
For example. if you change the narrator of a story from a hero to his villain, everything in the plot would be different.
He tells them what can he do to figure out his solution to the problem.
D is the answer. The talk about times suitable for their guest and even are talking to the boy saying how his party is going to be fun
Maybe try gentleman, hero, or polite