Which of the Following Statements Best Describes the Relationship Between

Which of the following statements best describes the relationship between so-called whiteness and American citizenship throughout history?

A) American citizenship has never been tied to whiteness, and the meaning of white has remained constant over time.
B) American citizenship has never been tied to whiteness because the meaning of white has shifted considerably over time.
C) American citizenship has always been tied to whiteness, even as the meaning of white shifted over time.
D) American citizenship has always been tied to whiteness, and the meaning of white has remained constant over time.