Which Example from the Text Offers the MOST Clear and Consistent

Multiple Choice

Which example from the text offers the MOST clear and consistent support for the claim that people are basically altruistic?

A) Abraham Lincoln stopped a carriage to save pigs in the mud.
B) Lenny Skutnik helped air crash victims in the icy Potomac River.
C) Kitty Genovese was a victim of assault in New York City.
D) Ayn Rand was a philosopher who wrote about altruism.