What Point Is James Rachels Trying to Make with His

Multiple Choice

What point is James Rachels trying to make with his thought experiment about Smith, Jones, and their drowning nephews?

A) That letting someone die is just as bad as killing someone when you have a special obligation to protect that person.
B) That letting someone die is sometimes morally worse than killing someone.
C) That letting someone die is no worse, morally speaking, than killing someone.
D) That killing someone is morally worse than letting someone die.