og11-8

Rising inventories,
            when unaccompanied correspondingly
                by increases in sales, can lead to production cutbacks that would hamper

economic growth.

(A)         when unaccompanied correspondingly by increases in sales, can lead

(B)         when not accompanied by corresponding increases in sales, possibly leads

(C)        when they were unaccompanied by corresponding sales increases, can lead

(D)        if not accompanied by correspondingly increased sales, possibly leads

(E)         if not accompanied by corresponding increases in sales, can lead

为什么这里if比when要好？

IF引导条件

WHEN引导时间

我记得OG是这么解释的