Which Statement Best Summarizes the Psychological Research on Solitary Confinement

Which statement best summarizes the psychological research on solitary confinement?

A) Solitary confinement is a necessary punitive measure for violent inmates for short periods of time.
B) Solitary confinement is most effective when used for an offender with a mental disorder.
C) Because solitary confinement has detrimental effects on both inmates and correctional officers, it should not be used for extended periods of time.
D) Compared to the rest of the inmate population, inmates in supermax prisons are better able to tolerate conditions of solitary confinement as long as they have adequate food, water, and medical care.