<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>
The four parts of this conversation between two classmates indicate Frank's goals are:
"Well, I’ve only been an average student in high school, but I’m excited about college because I can choose all of my own classes."
"I want to work in cyber security. So, I’m going to work with the counseling staff at my college to make sure I’m taking the correct courses. " "I also want to get involved in soccer."
"I figure I can stay in shape and meet some new people that way."
Past perfect because of the combination of the auxiliary "had" and the past tense of the verb "fall", "fallen".
