Which Point Does Fullinwider Intend to Make with the "Land

Which point does Fullinwider intend to make with the "Land of Giants" thought experiment?

A) That Affirmative Action is the only viable strategy.
B) That  people who benefit from discriminatory practices realize that the practices are morally wrong.
C) That those who seem like giants today will be viewed as small people tomorrow.
D) That well-intentioned people may perpetuate discrimination that is invisible to them.