Which of the Following Can Best Help Us to Understand

Which of the following can best help us to understand why some white-skinned ethicn groups where categorized as "non-white"?

A) The ways that some races typically find success in particular political,economic,and historical contexts.
B) Paying attention to natural divisions among racial groups helps us to understand the ways in which race has significance in different contexts.
C) The construction of racial categories is based on political,economic,and historical contexts.
D) Noticing inherent biological distinctions is what helps us distinguished among racial groups.