How does Rachels argue against his opponent's position (that there is an important moral difference between active and passive euthanasia)? a) He argues that passive euthanasia does involve the intention to terminate a life b) He argues that there is an "action" in passive euthanasia (letting someone die is a kind of action) c) He argues that active and passive euthanasia are totally different when it comes to intentions and actions d) Both a) and b) e) Both b) and c)