With Which Statement Would Stage Theorists Disagree

With which statement would stage theorists disagree?

A) Behaviours of children at different ages differ sharply.
B) A child's entry into a new stage involves a gradual shift from one way of experiencing the world to a different way of experiencing it.
C) Children of a particular age show wide-ranging similarities across a variety of situations.
D) When children enter a new cognitive stage, they demonstrate their new way of thinking across a broad spectrum of tasks.