Josh Is Three Months Old

Multiple Choice

Josh is three months old. His mother observes that he sucks even when there is no bottle or nipple present nearby and even in the absence of any object touching his lips. In the context of Jean Piaget's sensorimotor stage of development, Josh is most likely in the ________ sensorimotor substage.

A) simple reflexes
B) first habits and primary circular reactions
C) tertiary circular reactions
D) coordination of secondary circular reactions