What Does "Repudiation" Refer to in Divorce Law

What does "repudiation" refer to in divorce law?

A) The right a woman has in South African divorce courts to rebut a claim that she has been unfaithful
B) The unilateral prerogative for a man to terminate a marriage at will without judicial intervention under Islamic law
C) The procedure in Egypt that puts women in an equal position with men in relation to no-fault divorce
D) The laws in both Tunisia and Morocco by which a nonconsenting woman must be provided with alimony for life by her divorcing husband