rEsourCE lEvEling _____.&nBsp; A AlloCAtEs rEsourCEs to ACtivitiEs to FinD shortEst sChEDulE within FixED rEsourCE limits.&nBsp; B smoothEs out rEsourCE rEquirEmEnts By rEsChEDuling ACtivitiEs within thEir FloAt timE.&nBsp; C smooths out rEsourCE rEquirEmEnts By suBstituting ACtivitiEs with unAssignED rEsourCEs.&nBsp; D AttEmpts to rEDuCE rEsourCE rEquirEmEnts within A ConstrAint on projECt DurAtion&nBsp; E B or D&nBsp;