15. Which of the following sentences requires a colon to be correct? A. She gathered all of her ingredients to make a smoothie strawberries, blueberries, bananas, and yogurt. B. The new dessert recipe called for equal parts of sugar, cream, peanut butter, and crushed pecans. C. When she decided to write a letter, she grabbed her pen, paper, stamps, and address book. D. In his vacation suitcase, Jonathan packed two pairs of pants, four shirts, his swimsuit, and his favorite pajamas.