The Nurse Has Been Studying the History of the Nursing

The nurse has been studying the history of the nursing uniform and relates which information about the nurse's cap?

A) The nurse's cap evolved from battlefield uniforms.
B) The cap was designed to keep hair neatly in place.
C) Each educational institution had its own unique cap.
D) Men in nursing led to the cap's use declining.
E) Caps were very difficult and expensive to make.