Final answer:
The non-ethical question among the options given is, 'Has it been done before?' as ethical decision-making primarily considers legality, fairness, and personal integrity.
Step-by-step explanation:
The ethics check question that is not typically used to decide if decisions are ethical is C. Has it been done before?. The three questions that help individuals and organizations decide if their decisions are ethical include: Is it legal?, which assesses the conformity of the decision to laws and regulations; Is it balanced?, which evaluates if it's fair and equitable for all parties involved; and How will it make me feel about myself?, which considers the impact of the decision on one's self-respect and integrity.