In what situation are physical restraints permitted to be used on an inmate?

Вариант ответа 1 - a) Handcuffs are used to avoid an outbreak of disease in the cells.

Вариант ответа 2 - b) Waist chains are used to prevent two convicted serial rapists from escaping.

Вариант ответа 3 - c) Tethers are used to track down violators of federal and state laws.

Вариант ответа 4 - d) Belly chains are used to punish four corrections officers for mauling an inmate.