Nell's Main Conclusion in This Paper Is

Multiple Choice

Nell's main conclusion in this paper is:

A) Although people have a right not to be killed unjustifiably, we do not have a duty to try to prevent famine deaths in faraway countries.
B) Killing people in an underequipped lifeboat may be justifiable to save the lives of others.
C) It follows from the claim that people have a right not to be killed unjustifiably that we have a duty to try to prevent famine deaths.
D) We have an obligation to protect Earth's environment because our planet is the only lifeboat we have.