Although producer prices rose at an unexpectedly steep rate in September, analysts said that the increase resulted mostly from temporary factors and not necessarily foreshadowing that there would be a resurgence of inflation.

1. factors and not necessarily foreshadowing that there would be
2. factors and not necessarily that it foreshadowed
3. factors and did not necessarily foreshadow
4. factors, while not necessarily a foreshadowing of
5. factors, while it did not necessarily foreshadow that there would be

答案是C，E错在那儿呢？

1。罗嗦

2。划线部分的内容也是分析家说的话，用while将两部分割裂开来，破坏句子

A：and前后谓语动词不平行；foreshadow用法awkward

B：and前后结构不平行

C：Concise and parallel, choice C is the best answer.

D：把and换成whlie,平添比较意思；a foreshadowing of用法awkward

E：同C；foreshadow从句不简洁