Although It Is Easy to See the Moral Reprehensibility of Blackmail,the

Although it is easy to see the moral reprehensibility of blackmail,the crime presents a legal paradox because blackmail

A) can be legal in certain circumstances,such as when the threatener is trying to get repayment on a debt.
B) involves the payment of money that the payer has a legal obligation to disperse.
C) involves the threat to do something that the threatener has a legal right to do.
D) is only illegal when committed by public officials,and thus may be discriminatory.