The old adage certainly applies here (edited for political correctness) "If you give someone no other options, than you leave them no choice." <-- usually the case with euthanasia (a taboo discussion best left for moral issues class). Perhaps you disagree with euthanasia, not necessarily relating to this particular case?
c) is the last resort when all other options have been exhausted, it is an option and it supercedes release into the wild.
Donation to a nature centre is your best bet, try the natural centres at your State Parks. I was in a Natural Centre in Line, Pennsylvania and they had DeKay's in an exhibit (depending on where you are in Ohio you may be able to make the trip).
P.S. For what it's worth, c) is not an option for me either, simply because I would not exterminate as a matter of convenience, many people would/do.