Sentence with errors in parallel structure have conflicting tense and structure. The correct answer is option C. In order for the sentence to be parallel, the grammatical tenses, words and structures chosen should be uniform all throughout the sentence or the paragraph.
B. Alliteration
It’s alliteration
The book follows a fourteen-year-old boy living with his family on the Spokane Indian Reservation near Wellpinit, Washington for a school year. It is told in episodic diary style, moving from the start of the school year to the beginning of summer.
Because when someone memorizes something, it is most likely going to be hard to memorize, and when he or she accomplishes it he/she feels that they did something great, and since it is a famous speech, that means that what he memorized is important.