Which of the Following Statements About Majority-Minority Districts Is LEAST

Which of the following statements about majority-minority districts is LEAST accurate?

A) They represent attempts to enhance political participation and representation of minorities.
B) They redraw district lines so as to enhance the political power of a racial minority group.
C) Their efficacy has been questioned, as they lead to other districts being more fully dominated by whites.
D) The Supreme Court has recently made the qualifications for creation of such districts more strict.
E) Evidence suggests that majority-minority districts contribute to significant declines in white political participation, without any visible increase in minority participation.