Research into the Process of Motor Development Suggests That ​

Multiple Choice

Research into the process of motor development suggests that ​

A) development gradually unfolds in a sequence of preprogrammed physical changes.
B) progress is attributed to infants' exploration of their world and their need to master specific tasks.
C) motor development progresses as children gain control over their hips and legs and then their shoulders and arms.
D) genetically programmed physical changes determine when a child crawls and walks.