Which One of the Following Clearly Illustrates Piaget's Concept of Assimilation

Multiple Choice

Which one of the following clearly illustrates Piaget's concept of assimilation?

A) Five-year-old Harvey draws on the chalkboard with a large white crayon instead of with chalk.
B) Eight-year-old Rachel develops the necessary eye-hand coordination for writing letters in cursive.
C) Eleven-year-old Mary Lou moves to a different school and purchases new clothes to fit the local fashions.
D) A language arts teacher asks 13-year-old Reynold to think about possible adjectives other than awesome that he might use in his writing to describe interesting and enjoyable activities.