When Faced with an Ethical Conflict About Limited Resources and Unlimited

When faced with an ethical conflict about limited resources and unlimited need,which action is the most just?

A) Giving care to clients whose needs most closely match the nurse's abilities
B) Giving care to whichever prospective clients ask for care first
C) Working as hard as possible and not worrying about it
D) Trying to achieve the outcome of the greatest good for the greatest number of persons