Rising inventories, when unaccompanied correspondingly by increases in sales, can lead to production cutbacks that would hamper economic growth.
when unaccompanied correspondingly by increases in sales, can lead
when not accompanied by corresponding increases in sales, possibly leads
when they were unaccompanied by corresponding sales increases, can lead
if not accompanied by correspondingly increased sales, possibly leads
if not accompanied by corresponding increases in sales, can lead
SVA rising inventories ... possible leadS 首先排除 (B) (D)
corresponding去修饰的是not accompanied这个动作(x) 还是 increases in sales,排除 (A)
Between (C) and (E)
If = 条件状语从句,这个条件是个假设的情况 (可能发生,也可能不发生)
when = 当 (XXX) 已经发生 <必然发生>时,
同时C当中的were和主句的时态can不一致:除非一定要改变时态(过去,未来),那么条件状语从句中,主句从句的时态应该保持一致
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