as much as even

sevengu

1.An inventory equal to 90 days sales is as much as even the strongest businesses carry, and then only as a way to anticipate higher prices or ensure against shortages.
(A) as much as even
(B) so much as even
(C) even so much as
(D) even as much that（A）
请问此题为何用as much as修饰

sdcar2010

It says that if an inventory carries as much as 90 days of the strongest business day can sell, then ...