All of the Following Are True of Prisons Except That

All of the following are true of prisons except that:

A) prisons punish people who commit crimes by denying them freedom for some designated period.
B) prisons discourage people who have committed crimes from committing them again and deter others from committing them in the first place-at least theoretically.
C) prisons protect potential victims from dangerous offenders by putting them behind bars.
D) prisons exist only to punish offenders and not to rehabilitate them.