boldface 的一个小问题

xdai555

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11.GWD-19-Q30

Criminologist:  Some legislators advocate mandating asentence of life in prison for anyone who, having twice served sentences forserious crimes, is subsequently convicted of a third serious crime.  These legislators argue that such a policywould reduce crime dramatically, since it would take people with a proventendency to commit crimes off the streets permanently.  What this reasoning overlooks, however, is that people old enough to have served twoprison sentences for serious crimes rarely commit more than one subsequentcrime.  Filling our prisons with suchindividuals would have exactly the opposite of the desired effect, since itwould limit our ability to incarcerate younger criminals, who commit a fargreater proportion of serious crimes.

However，前反后支，态度相反。第一个和第二个都是since的主句，因此都是结论。

Inthe argument as a whole, the two boldfaced portions play which of the followingroles?

A.    The first is aconclusion that the argument as a whole seeks to refute; the second is a claimthat has been advanced in support of that conclusion.

B.    ！The first is aconclusion that the argument as a whole seeks to refute; the second is the mainconclusion of the argument.

C.    The first is the main conclusion of the argument; the second is anobjection that has been raised against that conclusion.

D.    The first is the main conclusion of the argument; the second is aprediction made on the basis of that conclusion.

E.     The first is ageneralization about the likely effect of a policy under consideration in theargument; the second points out a group of exceptional cases to which thatgeneralization does not apply.

如果A没有“in support of that conclusion.” 想问问 conclusion 和 claim 有什么区别。。 我在A & B之间纠结了很久~

kiwifoodtown

wangyaoshun

A选项少了in support of that conclusion意思就完全不一样了，that conclusion指的是however前面的conclusion...