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) After Amanda solves a set of 10 addition problems carelessly and incorrectly, she is given 10 more problems to solve.
B) Betsy writes down her definition of a mollusk-something she learned word for word from her textbook.
C) Carol copies what her teacher writes on the blackboard.
D) Donna revises her understanding of what clouds are like when she studies them in science.