When the Government Takes People into Custody Against Their Will

When the government takes people into custody against their will, the government:

A) does not have a duty to protect them from being injured by other private persons.
B) created danger by taking them into custody, so it must protect them.
C) must protect them, because a special relationship has been created with the people in custody, who cannot protect themselves.
D) has the duty to protect the people in custody only from harm by government officers.