The critical difference between primary circular reactions and secondary circular reactions is ...

The critical difference between primary circular reactions and secondary circular reactions is that
A) secondary circular reactions focus on the infant's own body and primary circular reactions focus on objects.
B) primary circular reactions are deliberate whereas secondary circular reactions are not.
C) primary circular reactions are attempts to produce something new whereas secondary circular reactions are attempts to reproduce a previous action.
D) primary circular reactions are focused on the infant's body and secondary circular reactions are focused on objects.