In Response to the Challenge of Weighing All People's Interests

In response to the challenge of weighing all people's interests fairly, Calhoun claims theorists have

A) sought to deemphasize individuals' own interests.
B) sought to define a "moral self" that captures our common humanity.
C) denied that any such challenge exists.
D) granted that humans are natural inclined to bias but denied that this presents a distinctively moral problem.