Must Be True Questions - - Question 48

High-technology medicine is driving up the nation's health care costs. Recent advances in cataract surgery illustrate...

Kath October 9, 2019

seek for help

Could you explain why D is not the correct answer? If A is the cause for B, I cannot say it is the only cause. But can I say it is the major cause since it sufficiently causes B?

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Irina October 9, 2019

@Kath,

The issue with (D) is that this specific surgery is only one example of "high-technology medicine" that is driving up the healthcare costs according to the passage, so we cannot conclude based solely on this one example that surgery for older people is the primary driver of the total healthcare costs, considering we are not given any information about the overall universe of high tech surgeries and their costs.