Question ID:PT80 S1 Q5 Passage:During its caterpillar stage, the leopard magpie moth feeds on a plant called the Natal grass cycad and by so doing laces its body with macrozamin, a toxin that makes the moth highly unpalatable to would-be predators. Since the Natal grass cycad is now endangered and facing extinction, the leopard magpie moth is also in danger of extinction. Stem:Which one of the following is an assumption required by the argument? Correct Answer Choice:AChoice A:Feeding on the Natal grass cycad is the only means by which the leopard magpie moth can make itself highly unpalatable to predators. Choice B:The leopard magpie moth does not have the speed or the agility to escape from any of its potential predators.  Choice C:Potential predators of the leopard magpie moth cannot determine from appearance alone whether a moth‚ s body is laced with macrozamin. Choice D:Leopard magpie moths are not able to locate Natal grass cycads unless those plants are abundant. Choice E:None of the potential predators of the leopard magpie moth have developed a tolerance to macrozamin.