A Child Who Is Diagnosed with Leukemia Has a Sibling

A child who is diagnosed with leukemia has a sibling who is expressing feelings of anger and guilt. How would the nurse characterize this reaction by the sibling?

A) Abnormal; the sibling should be referred to a psychologist.
B) Normal; the illness doesn't affect the sibling.
C) Unexpected; the cancer is easily treated.
D) Normal; the sibling is affected too, and anger and guilt are expected feelings.