thE EArnED vAluE tEChniquE is A Commonly usED mEthoD oF pErFormAnCE mEAsurEmEnt. it intEgrAtEs projECt sCopE, sChEDulE, AnD Cost mEAsurEs to hElp thE projECt mAnAgEmEnt tEAm AssEss projECt pErFormAnCE. iF A projECt’sCost pErFormAnCE inDExCpi=Ev/AC、 vAluE lEss thAn 1.0, it mEAns thAt ______.
A、thE Cost sAvings For work ComplEtED
B．thE projECt is AhEAD oF its plAnnED sChEDulE
C．thE Cost ovErrun For work ComplEtED
D．lEss work wAs ComplEtED thAn wAs plAnnED