GWD-7-17 (即GWD-TN-5-17) 无人问过B项。。B为什么错？？

rx_11

GWD7-Q17:
   Of patients over 65 years old who survived coronary bypass surgery—a procedure widely prescribed for people with heart disease—only 75 percent benefited from the surgery.  Thus it appears that for one in four such patients, the doctors who advised them to undergo this surgery, with its attendant risks and expense, were more interested in an opportunity to practice their skills and in their fee than in helping the patient.
   Which of the following, if true, most seriously undermines the argument?

A.Many of the patients who receive coronary bypass surgery are less than 55 years old.

B.Possible benefits of coronary bypass surgery include both relief from troubling symptoms and prolongation of life.

C.Most of the patients in the survey decided to undergo coronary bypass surgery because they were advised that the surgery would reduce their risk of future heart attacks.

D.The patients over 65 years old who did not benefit from the coronary bypass surgery were as fully informed as those who did benefit from the surgery as to the risks of the surgery prior to undergoing it.

E.The patients who underwent coronary bypass surgery but who did not benefit from it were medically indistinguishable, prior to their surgery, from the patients who did benefit.

答案是E

但是请问B为什么错了？既然这种手术可以有以下benefits: relief from troubling symptoms and prolongation of life.那不就说明了医生是想帮助病人的吗？所以不就WEAKEN了么？所以求教B选项为何错了？

charisyao

谢谢呢!~

Luxe

D选项 里面也是隐含着 医生可以分辨出 谁能治好，谁治不好，如果D选项成立。
说明 有一些病人即使医生知道了他们做了手术没用，如果病人坚持，还是会给他们做，这样做手术又变成了，不是为治好病，而是为了赚钱或者练手艺

clumsyorange

我倒是对于D跟E不太区别得开，不知道怎么样辨别这俩选项会比较好呢？

Luxe

原题的逻辑是 因为手术成功率是75%，所以有25%的手术，医生是用来赚钱练手的。
这里隐含着一个前提，是医生能够区分 什么样的手术能成功。如果要waken，直接否定这个隐含的前提。
对于B选项 引入的内容说Possible benefits of coronary bypass surgery include both relief from troubling symptoms and prolongation of life。
这个不能waken，这么说吧
有人说医院做那25%的手术是为了黑钱不能治病，医院出来辩解说这个手术可能会帮助病人缓解痛苦，这么样一个回答就隐含着医院知道这人肯定治不好了。就说明这个医院知道如何判断哪些人适合能做这个手术。从而，也就说明了医院对于另外25%人的所做的手术是非必要的。