Not only vital for reducing fever but also other things that it can help with.A. aspiri

问题补充：

Not only vital for reducing fever, but also other things that it can help with.

A. aspirin has proved, are there

B. has aspirin proved, there are

C. has proved aspirin, are there

D. aspirin had proved, there are

答案：

A. aspirin has proved, are there

(答案→)B. has aspirin proved, there are

C. has proved aspirin, are there

D. aspirin had proved, there are

解析：考察部分倒装用法。本题指的固定搭配not only…but alos….不但…而且…；其中的not only放在句首，因为not是否定词，放在句首，所以使用部分倒装的形式。But also后面不要倒装，句意：阿司匹林不仅证明对退烧很重要，也有很多其他可以帮助做的事情。故B正确。