[nick_zen]

According to some economists, Japan is in danger of plunging into a depression that, with double-digit unemployment, could severely strain a society that regards lifetime employment as a virtual right of citizenship.
(A) that, with double-digit unemployment, could severely strain
(B) that, because of double-digit unemployment, could be a severe strain for
(C) with double-digit unemployment, and it could severely strain
(D) with double-digit unemployment and could be a severe strain
(E) with double-digit unemployment and could severely strain


Please let me know the line of reasoning and answer