How does good exposition help the reader?

Match the academic requirements with the careers. technical program bachelor's degree high school diploma equal opportunity officer arrowright court reporter arrowright security officer arrowright

Which of the following sentences requires a colon to be correct? a. in his vacation suitcase, jonathan packed two pairs of pants, four shirts, his swimsuit, and his favorite pajamas. b. when she decided to write a letter, she grabbed her pen, paper, stamps, and address book. c. the new dessert recipe called for equal parts of sugar, cream, peanut butter, and crushed pecans. d. she gathered all of her ingredients to make a smoothie strawberries, blueberries, bananas, and yogurt.

Which of these rhetorical devices is most clearly used in the underlined portion of the text?