大全 17

applemusic

During the first nine months of 1979, textbook publishers incurred substantial costs for creating products that, due to a decline in public funding for instructional material, never were sold.
(A) funding for instructional material, never were
(B) funding for instructional material, never was
(C) funding, the instructional material, was never
(D) funding for instructional material, the products were never
(E) funding, they were never
为什么是a啊
我觉得c很好啊

bigcamel

apple mm,先看清楚巨资结构。due to..是插入语，never were与前面that构成定语从句