Which statement best explains why women were needed as pilots during WWII?
A: There was a shortage of male pilots in the United States, so women were trained to fill in their position
B: Women replaced the shortage of male pilots, allowing the male pilots to enter combat
C: The burden of WWll finally convinced the United States to accept female pilots into the military
D: A larger production of planes needed a greater increase of trained pilots to fly them, so women were called to fill these roles