whiCh oF thE Following DoEs not sEEm to BE An ExplAnAtion oF thE grEAt DEmAnD For CollEgE EDuCAtion in AmEriCA
A．thE pArEnts hAvE rEAlizED thAt highEr EDuCAtion mEAns A highEr stAnDArD oF living.
B．A high-sChool EDuCAtion is not "high" Enough For most oCCupAtions.
C．A grEAt nEED hAs BEEn DEvElopED For mAny vAriEtiEs oF spECiAlists.
D．high sChools ConCEntrAtE mAinly on prEpAring stuDEnts For CollEgEs.