The figure below shows population cycles of snowshoe hare and lynx. Recent field studies suggest that the most likely explanation for these cycles is __________?
(A)Periodic winter storms.
(B)Predation of snowshoe hares by a combination of lynxes, foxes, and owls.
(C)Nearly unlimited food for hares during the summers.
(D)Boom and bust cycles in lemming populations.
(E)Excessive predation of snowshoe hares by lynxes.