Which of the Following Is Not a Difficult Moral or Ethical

Which of the following is not a difficult moral or ethical question raised by the practice of euthanasia?

A) Should it be used only for physical and not for mental illnesses?
B) Who should be involved in the decision to end a life: the individual, the family, a guardian, a physician, a religious figure?
C) Should doctors receive specialized training in administering such drugs once the decision is reached?
D) Should it be available only for a terminal illness and only when the quality of life deteriorates beyond a defined point?