Final answer:
In 2016, inmates were confined in local jails.
Step-by-step explanation:
The correct answer is b. local jails.
According to the U.S. Department of Justice, in 2016, there were inmates confined in local jails. It's important to note that jails provide temporary confinement usually for individuals awaiting trial or parole, while prisons are facilities for those serving sentences of more than a year.