Which of the Following Statements Most Accurately Describes Piaget's Level

Which of the following statements most accurately describes Piaget's level of cognitive development in the preschool child called centration?

A) When the child sees the larger glass as having more,when the same volume of fluid is poured into two glasses of different shapes and sizes
B) When the child quickly becomes frightened when a familiar person puts on a mask,and the child is no longer able to recognize that person
C) When the child identifies the laundry bin but throws clothing,garbage,and toys in it
D) When the child understands that things do not disappear even if the child cannot see them