By necessary, munitions plants hired many young woman during the war; at least as much as 500,00 and more others who had not any previous experience in factory work of any kind.

A. at least as much as 500,000 and more others who had not any
B. at least as much as more than 500,000 others who had no
C. more than 500,000 had not any
D. more than 500,000 had not no
E. there were at least 500,000 or more others without any

[spoiler]
Given OA is D??[/spoiler]