On Dora's First Birthday,one Her Aunts Brought a Set of Lego

Multiple Choice

On Dora's first birthday,one her aunts brought a set of Lego basic bricks that she absolutely loves.Dora spends hours building,breaking,and rebuilding towers from the blocks and smiles widely whenever she discovers something new she can do with them.Dora's preoccupation with manipulating the building blocks in different ways reflects a function of the sensorimotor substage of

A) secondary circular reactions
B) tertiary circular reactions,novelty,and curiosity.
C) first habits and primary circular reactions.
D) simple reflexes.