In the Scarlet Letter, Why Was Hester Prynne Required to Wear

In The Scarlet Letter, why was Hester Prynne required to wear a scarlet "A" on her dress?

A) Sociologically, this served as a negative sanction and an example of shaming.
B) Psychologically, it provided her the opportunity to face what she had become.
C) It indicated she was at the head of her class in what she had done.
D) It was a "badge of honor" that many other women wished they could achieve.