[求助]GWD8-27

In an attempt to reduce the crime rate, the governor is getting tough on criminals and making prison conditions harsher.  Part of this effort has been to deny inmates the access they formerly had to college-level courses.  However, this action is clearly counter to the governor’s ultimate goal, since after being released form prison, inmates who had taken such courses committed far fewer crimes overall than other inmates.

Which of the following is an assumption on which the argument depends?

A Not being able to take college-level courses while in prison is unlikely to deter anyone from a crime that he or she might otherwise have committed.
B Former inmates are no more likely to commit crimes than are members of the general population.
C The group of inmates who chose to take college-level courses were not already less likely than other inmates to commit crimes after being released.
D Taking high school level courses in prison has less effect on an inmate’s subsequent behavior than taking college-level courses does.
E The governor’s ultimate goal actually is to gain popularity by convincing people that something effective is being done about crime.
   Answer: C,我这么觉得答案和argument是相反的呢，难道是already起的作用，想来想去也只可能是already说明inmate出来 以后还是可能会犯罪，是课程让他们不去再犯，对嘛？要是这样，这种小词考试遇到估计我就够呛了，请达人指点

C The group of inmates who chose to take college-level courses were not already less likely than other inmates to commit crimes after being released.

必须要有ans:C这前题假设

也就是接受课程的人并不会比其它无接课程的人不太犯罪

才可推出结论: inmates who had taken such courses committed far fewer crimes overall than other inmates.