The answer is c.
Explanation
ha·be·as cor·pus
/ˌhābēəs ˈkôrpəs/
nounLAW
a writ requiring a person under arrest to be brought before a judge or into court, especially to secure the person's release unless lawful grounds are shown for their detention.
"his application for habeas corpus"
the legal right to apply for a habeas corpus.
"Europe was first to introduce habeas corpus and the jury system"