MsMcDonald Is a White Non-Hispanic High School English Teacher

Ms.McDonald is a White non-Hispanic high school English teacher.She assigns lower grades to the African American athletes in her class than she assigns for comparable work submitted by White students.Whether her behavior is intentional or unintentional,what is the most likely interpretation of Ms.McDonald's behavior?

A) Her behavior shows her acceptance of African Americans in general,but her negative attitude toward athletes.
B) Her behavior exhibits her prejudice against African Americans and/or against athletes.
C) Her behavior illustrates the lack of conventional grading methods in diverse classrooms.
D) Her behavior demonstrates her resistance to legislation requiring desegregation.