Newspaper Editorial

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

Which of the following is the assumption on which argument depends
a) Not being able to take college - level course 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 behavious 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.

Please explain with your answer