When discussing the growth and development of an infant with a client, the nurse refers to various ...

When discussing the growth and development of an infant with a client, the nurse refers to various theories and phases of development. The nurse is reviewing the major points of Erikson's theory with a client.
 
  What would be the best explanation of this theory to the client by the nurse? A) Cognitive development is cumulative; that is, what is learned is based on what has been known before.
  B) A child develops an understanding of object permanence, which is the knowledge that an object seen in a particular spot continues to exist and will return to view when it is uncovered.
  C) Children will investigate and explore the environment and look at things from their own point of view.
  D) Each stage of development contains a psychosocial challenge or critical period during which the person must deal with a major life change.