A Child Sees a Piece of Bread Go Down in a Toaster,then

Multiple Choice

A child sees a piece of bread go down in a toaster,then turns away believing it no longer exists.According to Piaget,this child has not yet achieved ____ and is in the ____ stage of cognitive development.

A) object permanence; sensorimotor
B) object permanence; preoperational
C) conservation; concrete operational
D) conservation; formal operational