With Regard to Nurses During Most of the Second World

With regard to nurses during most of the Second World War,the U.S.military

A) employed male conscientious objectors instead of women.
B) refused to allow black women to serve in that role or to allow white nurses to tend to black soldiers.
C) employed far more black women than white women because of the dangerous and dirty conditions under which wartime nurses worked.
D) limited the enlistment of black women despite a great need for nurses.