(A) Sensorimotor, Preoperational
(B) Preoperational, Concrete operational
(C) Concrete operational, Formal operational
(D) Formal operational, Sensorimotor
(A) Sensorimotor, Preoperational
(B) Preoperational, Concrete operational
(C) Concrete operational, Formal operational
(D) Formal operational, Sensorimotor