12. 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
想问一下,unaccompanied和not accompanied除了语感外还有什么不同吗?有没有什么标准什么的?答案里说not accomplished更effective,但是有道题里用uncontrolled 和 not controlled时候,说not controlled更effective。 是不是像这类的词只能靠放在句子里去感觉,没有固定标准呢?