to AmEriCAns, promisEs to mEEt thE DEADlinEs AnD AppointmEnts ArE tAkEn vEry sEriously BECAusE ______.
A．thEy BEliEvE thAt timE shoulD BE plAnnED AnD FuturE EvEnts FittED into A sChEDulE
B．thEy DwEll too muCh on thE pAst
C．thEy rECognizE thE prEsEnt rEsts on thE pAst
D．thEy hAvE DEvElopED thEir sEnsE oF DEpth oF timE