Answer:
C. A total of one hundred high school students from the county competed in the event.
Step-by-step explanation:
This is most likely the next sentence in the passage. This sentence conveys information that we do not yet have. It is also relevant information about the text. The sentence also has the correct tone, as it is formal, informative and simple. This matches the rest of the passage. Finally, the sentence has the same matter-of-fact tone that the rest of the passage displays, which is characteristic of a journal or some other source of news.