Which of the following statements best explains why pizza in the United States is an example of "movement," one of the six essential elements of geography? A. Pizza is a fast food and can be eaten on the go. B. Pizza shows the human-environment interaction because it requires cooking knowledge and access to wheat, tomatoes, herbs, and cheese. C. Pizza originated in Italy, but was brought to the United States in the 1800s by Italian immigrants. D. Pizza can be delivered, ordered for take-out, or eaten at a restaurant. However, all of these options require going out or having the food brought to you. Please select the best answer from the choices provided.