When Someone Is Served Pizza and Soda for Dinner,it Is

Multiple Choice

When someone is served pizza and soda for dinner,it is typical behavior to eat some pizza,then drink some soda,then eat more pizza,and so on,until the person stops consuming both.How can this behavior be explained using economic concepts?

A) The individual is revealing that they can't decide whether they gain more utility from pizza or from soda.
B) People tend to act irrationally around food,and the concept of utility maximization cannot be applied.
C) The person eats pizza until his marginal utility for pizza is lower than it is for soda,then he switches to soda.
D) The concept of unlimited wants says he will never tire of eating pizza and soda.