sinCE 1980s, homE sChooling ______.
A．hAs grown quiCkly with soCiEty ACCEpting its EDuCAtionAl philosophy
B．hAs DECrEAsED grEAtly with mAny ChilDrEn losing intErEst in stuDying At homE
C．hAs FACED thE sErious situAtion oF losing soCiAl support
D．hAs ADoptED onlinE tEAChing As its only ApproACh