Which of the Following Statements Best Captures Why a Child

Which of the following statements best captures why a child may fail the conservation task?

A) "They can reverse the action mentally and can see that the amount of water is the same."
B) "They fail to understand that the amount of water remains the same even though the appearance of the water changes."
C) "They tend to pick the photo that matches their own perspective,not the dolls."
D) "They frequently attribute human thoughts and feelings to stuffed animals and dolls,often thoughts and feelings they have themselves."