In Tatum's "Moving Walkway" Metaphor Which Claims "One Must 'Step

In Tatum's "moving walkway" metaphor which claims "one must 'step off' the moving walkway to become actively involved in promoting social justice" the moving walkway represents

A) Intentionally conforming to prejudicial attitudes and beliefs of those around you.
B) The foundation of oppression and its trajectory though time.
C) The trappings of Anglo-conformity.
D) The benefits received by dominant groups, whether intentional or not, as a result and existence of ongoing prejudice.