Hmm, I'm stuck between word choice and dialogue. But I think dialogue focuses more on character building, so I'd say the best answer is A. Word Choice. Hope this helps :)
Answer: a piece of grassland
Explanation:
Her new concern is that Miss Caroline is going to scold her for Atticus reading to her
Hi there!
On the second line of the sentence, you can see that is says it it, instead of it is, as it is supposed to. Therefore, the correct answer is A - it contains a typo.
Hope this helps!! :)
If there's anything else that I can help you with, please let me know!