In Evaluating Kübler-Ross's Theory

In evaluating Kübler-Ross's theory

A) it is shown that the five stages only occur in elderly patients
B) the knowledge of the five stage model may actually create more anxiety and fear about the process of dying
C) research has found that people do go through the five stages in a pre-determined order
D) we see that patients, but not nurses or physicians expect people to go through each and every stage in a particular order
E) the five stages theory has helped to normalize death, and thus reduce the fear of dying significantly