Which of the Following Accurately Describes Bruner's Representational Systems

Which of the following accurately describes Bruner's representational systems?

A) The order of development is motor, symbolic, and enactive.
B) Each representational system is distinct, sequential, and exclusively descriptive of an individual at that stage.
C) Though two of the representational systems develop and are utilized in childhood, the third does not appear until the adult years.
D) As each representational system is acquired, it is added to and used alongside those that preceded it.