A researcher shows a child two rows of coins.Then,the researcher compresses one row;no coins are added,no coins are taken away.After that,the researcher asks the child which row has more coins.Assume that the child is in Piaget's preoperational stage.What will be his response?
A) The compressed row has more coins.
B) The uncompressed row has more coins.
C) Both rows have equal amounts of coins.
D) Children in this stage may or may not be able to provide the correct response.