Your friend is ordering pizza and wants to know which toppings you want. You say "pepperoni, sausage, green peppers, olives, mushrooms, onions, tomatoes, and pineapple." Your friend doesn't write this down but then dials the pizza place and places the order. Which topping is your friend most likely to forget?

A) pepperoni
B) pineapple
C) sausage
D) mushrooms