The correct answer is (B) Unprincipled, depraved; disgraced; discredited. Also, a wicked, unprincipled, or depraved person. Someone who pursues evil rather than good; a person who is beyond hope of salvation.

Reprobate comes from Middle English reprobaten, Latin reprobare (to reprove, to disapprove).

Examples of use:

• They considered him to be just an old reprobate.
• Few of the inmates should really be described as probates.