Though Charlotte Tried in Vain to Reach a Puzzle on the Top

Multiple Choice

Though Charlotte tried in vain to reach a puzzle on the top shelf by standing on a chair, she simply could not reach it. Suddenly, she realized that by placing a thick catalog on the seat of the chair, she would be high enough to reach the puzzle. Charlotte's solution is best explained by which of the following?

A) her previous history of conditioning
B) her previous experiences with reaching objects that are out of reach
C) latent learning
D) insight