Margaret's Husband Died Suddenly, and Margaret Is Torn by Guilt

Margaret's husband died suddenly, and Margaret is torn by guilt over the times that she criticized or neglected him in the days before his death. Margaret's daughter wants to know if it is OK for her to feel this way. What is your BEST reply?

A) Guilt is an abnormal reaction unless the death was sudden, so Margaret is OK.
B) If feelings of guilt persist, suggest Margaret seek counseling to deal with these feelings.
C) Guilt is an unusual reaction, but not an unreasonable one.
D) Guilt is always a normal part of the grieving experience.