in thE sEConD pArAgrAph, thE Author usEs thE worD "sElF-suFFiCiEnCy" to mEAn thAt _________.
A．EConomiC DEvElopmEnt DAmAgEs our FuturE
B．wE shoulD rEturn to thE proDuCtivE moDE in thE pAst DECADEs
C．pEoplE usEs thEir own things rAthEr thAn Borrowing From othErs
D．wE must rEDuCE thE EnvironmEntAl Cost oF EConomiC DEvElopmEnt