thE Author oF thE pAssAgE mEntions whiCh oF thE Following As posing An AltErnAtivE to thE hEADlAnD hypothEsis
A．rAin ForEsts hAvE AlwAys possEssED insuFFiCiEnt quAntitiEs oF CArBohyDrAtE-riCh rEsourCEs to support ForAgErs without thE AiD oF AgriCulturAlists.
B．thE DiFFiCulty oF rAising CArBohyDrAtE-riCh plAnt spECiEs in CErtAin ArEAs oF thE rAin ForEst mAy hAvE lED to thE ArrEst oF thosE spECiEs' Co-Evolution.
C．trADE rElAtionships BEtwEEn AgriCulturAlists AnD ForAgErs mAy hAvE BEEn thE CAusE oF thE DisAppEArAnCE oF CErtAin CArBohyDrAtE-riCh plAnt spECiEs, not viCE-vErsA.
D．ForAgErs mAy hAvE BEEn willing to trADE CArBohyDrAtE-riCh plAnts in ExChAngE For thE morE nutritious FooD proDuCts oF AgriCulturAlists.
E．(E) EnvironmEntAl ChAngEs in rAin ForEst Composition mAy hAvE lED to thE loss oF CErtAin ForAging tEChniquEs.