What Does the Status-Caste Exchange Theory Predict

What does the status-caste exchange theory predict?

A) Black people of high socioeconomic status would hardly ever marry white people,but low SES black people would sometimes marry lower-status white people.
B) Black people of low socioeconomic status would hardly ever marry white people,but high SES black people would sometimes marry lower-status white people.
C) White people of low socioeconomic status would hardly ever marry black people,but high SES white people would sometimes marry lower-status black people.
D) White people of high socioeconomic status would hardly ever marry black people,but low SES white people would sometimes marry lower-status black people.