Which One of the Following Best Illustrates Piaget's Concept of Accommodation

Multiple Choice

Which one of the following best illustrates Piaget's concept of accommodation?

A) Anne copies down what her teacher writes on the blackboard.
B) Betsy is given 10 more addition problems when she does the first 10 carelessly.
C) Carol revises her understanding of what clouds are like when she studies them in science.
D) Donna copies her biology textbook's definitions of various classes of invertebrates (sponges, flatworms, mollusks, etc.) word for word in her notebook.