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Economist: On average, the emergency treatment for an elderly person for injuries resulting from a fall costs $11,000. A new therapeutic program can significantly reduce an elderly person's chances of falling. Though obviously desirable for many reasons, this treatment program will cost $12,500 and thus cannot be justified.
Which of the following, if true, most seriously undermines the conclusion of the argument?
(A) Among elderly people who had followed the program for only a few months, the number of serious falls reported was higher than it was for people who had followed the program for its recommended minimum length of one year.
(B) Falls resulting in serious injuries are less common among elderly people living in nursing homes than they are among elderly people who live alone at home.
(C) A frequent result of injuries sustained in falls is long-term pain, medication for which is not counted among the average per-person costs of emergency treatment for elderly people's injuries from such falls.
(D) The new therapeutic program focuses on therapies other than medication, since overmedication can cause disorientation and hence increase the likelihood that an elderly person will have a serious fall.
(E) A significant portion of the cost of the new therapeutic program is represented by regular visits by health care professionals, the costs of which tend to increase more rapidly than do those of other elements of the program.
逻辑链：老人摔倒治疗要花11000，防止老人摔倒的治疗要花12500—》这个防止治疗不可行
问削弱
A 谈的是防止治疗持续的时间和治疗效果的关系
B 谈的是独居群居和摔倒发生率的关系
C 摔倒后长期后续治疗的费用没算在这11000里
D 谈的是防止治疗的好处，可以避免过度用药
E 谈的是防止治疗里面不同治疗手段和各自发生的费用的关系
逻辑链聚焦是费用差异导致治疗不可行，要削弱的话，也要聚焦在费用上，这样就只剩C E在谈费用了，C谈的是11000这个费用有可能更高，更高的话就会高于12500，那么就逆转了原文推理依据里面的费用差异了，可以削弱结论。E选项谈的是12500内部费用分配的问题，和总额无关，无法削弱原文推理。
答案：C
