请教一题：新东方补充材料（蓝本）P87：6

The expected rise tin the price of oil could be a serious impact to industrilized nations and severely diminish the possibility to have an economy free of inflation.

A  :    

B seriously impact on industrilized nations and severely impede the possibility to have

C serously impact on industrilized nations and severely impede the possibility of having

D have a serious impact on industrilized nations and severely impede the possibility to have

E have a serious impact on industrilized nations and severely diminish the possibility of having

The answer is E ,why not B?

Thanks

另外，原文用的是diminish，不宜改成impede

另外楼上说的这个我有疑义，请见longman

[intransitive and transitive] especially American English
to have an important or noticeable effect on someone or something
impact on/upon
The Food Safety Act will progressively impact on the way food businesses

二楼啥意思？正确答案有ON啊