Hi, I think the correct answer here would be C. It makes the most sense. A and B are definitely incorrect and D is an opinion.
D. That they argue about silly things
<span>In order to vary the sentence structure, the sentence I would insert in the blank is C. Have you noticed how hard she works? The reason for this is because inserting an interrogative sentence that has a completely different structure and word order than the other two sentences works great in order to introduce some versatility into a paragraph consisting of a couple of sentences. Here, the only sentence that differs is C. which is why you should choose it. Starting three sentences in a row with the same word can be a bit dull and repetitive. </span>
Answer:
The relationship between reading long-form texts and the development of certain skills is that reading long-form texts requires a special concentration to focus on the story, characters, events, situations, contexts, while you are processing that information in your brain
Explanation:
i hope it helps