Errors due to usage of nonstandard English
Traditional poetry usually has regular rhythms that set a pattern, making it easier to remember for recitation. These rhythms are especially enjoyable, because they reflect the natural movement of the human body. That's why poems with regular rhythms are often set to music for marching and dancing, amplifying the effect of the beat.
So basically, the rhyming and rhythms in these two poems makes the poem flow better and sound better. It also makes it easier to memorize.
Is there any word choice?
Answer: The answer is C
Explanation: In the second paragraph, the author is wondering what life would be like in the new city, and what the people would be like. It flows logically that the author would also wonder specifically whether they would fit in with the kids in the new city.