One of the themes that could be suggested by the excerpt is that of cooperation or reciprocity.
In these lines, we learn that Bruh Alligator and Bruh Deer have entered into an agreement. As long as Bruh Deer brings beagles to Bruh Alligator, he will be free to pass unharmed. Bruh Alligator states this agreement in terms of reciprocity. As long as they are helping each other, they have an agreement, and they both benefit from it.
An overall sense of accomplishment is conveyed in those two pieces.
Most likely it’s going to be B. —Something to be Solved.
I dunno about the opening line... Maybe something describing both of the kids whereabouts, and slowly describing as they meet together.
The detailed scenery for the rich kid is obviously going to be something royal, showing that he's very blessed for the life he has, but maybe he takes it all for granted.
The detailed scenery for the orphan could be that he lives in a sad, pitiful home and he wishes that he could live in a better home, or just have a different life. He's grateful for the smallest of things.