According to the Authors,one Reason Why School Desegregation Efforts Didn't

According to the authors,one reason why school desegregation efforts didn't have the anticipated positive effects is that the typical classroom

A) teacher supports common goals,but the students do not.
B) teacher holds negative stereotypes about minority children.
C) was designed to reinforce segregation.
D) is competitive and students do not participate on an equal footing.
E) is too large for teachers to give attention to all students who need it.