Which of the following sentences requires a colon to be correct?

AThe new dessert recipe called for equal parts of sugar, cream, peanut butter, and crushed pecans.

BIn his vacation suitcase, Jonathan packed two pairs of pants, four shirts, his swimsuit, and his favorite pajamas.

CWhen she decided to write a letter, she grabbed her pen, paper, stamps, and address book.

DShe gathered all of her ingredients to make a smoothie strawberries, blueberries, bananas, and yogurt.