A Nurse Practicing in the Early 1900s Was Awarded a Permissive

A nurse practicing in the early 1900s was awarded a permissive license.What action was required by this type of license?

A) While licensure was voluntary;if you failed the examination,you could not use the title RN.
B) To qualify for licensure,you were required to complete a maximum of 1 year of formalized nurse training.
C) All candidates were required to take and pass an exam provided by the state board of nursing.
D) The nurses were required to select either a written or an oral form of the licensure examination.