What Can We Conclude Regarding an Infant's Experience of Death

What can we conclude regarding an infant's experience of death?

A) Infants who have developed an understanding of here vs.all gone may show some of the same reactions that adults do in response to loss of an attachment figure.
B) Most infants understand that death means that life processes stop,but they believe that it can be undone or reversed.
C) Infants are biologically programmed to show grief responses to the loss of a caretaker,regardless of the age of the infant.
D) Infants who show separation protest and depression-like symptoms have clearly demonstrated that they have an accurate cognitive understanding of death.