Question ID:PT74 S4 Q20 Passage:Economist:  Global recessions can never be prevented, for they could be prevented only if they were predictable. Yet economists, using the best techniques at their disposal, consistently fail to accurately predict global recessions.  Stem:The economist's argument is most vulnerable to the criticism that it Correct Answer Choice:DChoice A:presupposes in a premise the conclusion that it purports to establish Choice B:fails to establish that economists claim to be able to accurately predict global recessions Choice C:treats the predictability of an event, which is required for the event to be preventable, as a characteristic that assures its prevention Choice D:fails to address the possibility that the techniques available to economists for the prediction of global recessions will significantly improve Choice E:implicitly bases an inference that something will not occur solely on the information that its occurrence is not predictable