Mrs Subway Asks Her Boy Chompy If He Wants His

Multiple Choice

Mrs. Subway asks her boy Chompy if he wants his sandwich in one or two pieces. Chompy says to keep it in one piece because he isn't hungry enough to eat two pieces. Chompy's answer indicates that he

A) is decentered about the possible contents of the food.
B) misunderstands about the meanings of numbers.
C) applies hypothetico-deductive reasoning.
D) does not yet understand conservation.