Studies That Applied Piaget's Theory Were Done on Primates, and the Findings

Studies that applied Piaget's theory were done on primates, and the findings include all of the following except

A) Monkeys and apes go through the same sensorimotor stages in the same order as humans.
B) Some species go through the stages faster than humans do.
C) The highest level of achievement is attained by species that are genetically closest to humans.
D) There is more evenness in monkeys' and apes' sensorimotor accomplishments than in humans'.