Based on Piaget's Understanding of Cognitive Development, He Came Up

Based on Piaget's understanding of cognitive development, he came up with the term assimilation, which is:

A) how information is incorporated into existing cognitive structures.
B) how we create new cognitive structures and/or behaviors to incorporate new information.
C) how the brain creates neuropathways in order to adapt.
D) the bio-medical mechanism for understanding learning.
E) none of these.