The fact that the golden eagle usually builds its next on some high cliffs ________ it almost impossible to obtain the eggs or the young birds.
句意：金鹰通常在高崖上筑巢，这使得它几乎不可能获得卵或幼鸟。render意为“使得”。 reckon意为“认为；测算；指望”。regard意为“认为，看作”。relate意为“相关；讲述”。故选A。