ACCorDing to thE pAssAgE, thE DEmAnD For rECyClABlE mAtEriAls in thE mAnuFACturing oF nEw proDuCts is somEtimEs sluggish BECAusE ______.
A．somE govErnmEnts ArE unwilling to support ExpEnsivE rECyCling mEthoDs
B．thErE is A lACk oF ADvAnCED tEChnology to proCEss thE mAtEriAls
C．BusinEssEs Do not invEst Enough monEy into rEsEArCh
D．pEoplE Don't likE wAstE things