Henry, an upper$-$level manager at a software design firm, is talking informally with his colleagues over dinner. "The idea of quotas makes me uncomfortable," he says. "I think that we should just treat everyone equally, regardless of how people vary from one another. A person is a person." Henry is expressing the philosophy behind

A$)$ cultural diversity.

B$)$ racist and sexist organizational practices.

C$)$ affirmative action programs.

D$)$ the "blind to differences" approach.