Compete subject : something similar
Predicate : happened to me in the first grade
The author's purpose in the three paragraphs your question refers to are to foreshadow coming events, describe the uncertainty of the times, and provide parallels to the events of the story. In the first of the three paragraphs, the author gives readers insights into the lives of the narrator and his brother.
C. You has hiked many times this summer has an error subject and verb.
<span>Audrey was the youngest of three to four thousand black children who marched, protested, sang, and prayed their way to jail.</span>