From the Article, which option best replaces the question mark in the diagram above?
.A As the civil rights movement gained momentum, some communities wanted to send a message that African American students were not welcome.
B As educational opportunities for African American students improved, some schools served students of color primarily.
C As the Civil Rights Act was passed, many Americans wanted school names to represent freedom and equality.
D As desegregation became law, many white families moved or transferred their children to private schools