in pArAgrAph 4, '... inComE AnD rACiAl-EthniCity proBlEms ContinuE to Dog thE systEm' mEAns
A．inComE AnD rACiAl-EthniCity proBlEms ArE BEing FixED
B．inComE AnD rACiAl-EthniCity proBlEms hAvE not yEt BEEn solvED
C．inComE AnD rACiAl EthniCity proBlEms ArE thE kEy ChArACtEristiCs oF thE AmEriCAn EDuCAtionAl systEm
D．inComE AnD rACiAl-EthniCity proBlEms ArE DECrEAsing in thE AmEriCAn EDuCAtionAl systEm