The papers in the National Archives recounting the experiences of some 200,000 Black men who joined the Union forces during the Civil War have been prepared to be published by the historian Ira Berlin.
(A)to be published by
(B)for publication by
(C)for publishing by
(D)as the publication of
(E)for the publication by
可否請各位大大對各選項對錯的提供寶貴之看法
小弟實在無法確定各選項的句意!