23. The function of government is to satisfy the genuine wants of the masses, and government cannot satisfy those wants unless it is informed about what those wants are. Freedom of speech ensures that such information will reach the ears of government officials. Therefore, freedom of speech is indispensable for a healthy state.
Which one of the following, if true, would NOT undermine the conclusion of the argument?
(A) People most often do not know what they genuinely want.
(B) Freedom of speech tends ultimately to undermine social order, and social order is a prerequisite for satisfying the wants of the masses.
(C) The proper function of government is not to satisfy wants, but to provide equality of opportunity.
(D) Freedom of speech is not sufficient for satisfying the wants of the masses: social order is necessary as well.
(E) Rulers already know what the people want
我选的是c，感觉是反对前提，削弱题中反对前提不是无效的吗（gmat班老师说的），请nn指点
文章中有个隐含的前提，就是well function of government-->a healthy state
而文章又说了freedom speech-->satisfy the mass-->well function of government
C提出了freedom speech doesn't lead to well function of government，从而也就不是indispensable for a healthy state.
D指出freedom speech和equality of opportunity对well function of government同样重要，但这样并不妨碍文章的结论，因此没有削弱。
你说的削弱题中反对前提是无效是对的，但这题的关键在于the function和the proper function，因此并没反对前提。我记得有一题是the goal of the psychotherapy is to increase....但最后反对的理由是the result of the psychotherapy is to decrease....所以回到这题，C实际上在说the current function doesn't lead to a healthy state, but the proper function do.
有点明白了，应该是断桥削弱吧
可还是感觉挺难区分的，能再给些例子吗
I have a dick, so I can't produce a baby.
which of the following, if true, would undermine the argument.
(A) I don't have a dick.<---反对无效
(B) I'm a shemale<--反对有效 (假设shemale能produce baby!!!!!梦想状态)
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