Why Was the Title Ms. Created

Why was the title Ms. created?

A) To parallel the title Mr., which does not convey a man's marital status.
B) To refer to older unmarried women, since the term "spinster" has fallen out of fashion.
C) To replace the term Mrs., which, as an abbreviation for Mistress, conveys an extramarital relationship.
D) As a translation of the French term, M., for Monsieur.