[E]OG-41，请指点！

excellent

41. Under a provision of the Constitution that was never applied, Congress has been required to call a convention for considering possible amendments to the document when formally asked to do it by the legislatures of two-thirds of the states.
A.was never applied, Congress has been required to call a convention for considering possible amendments to the document when formally asked to do it
B.was never applied, there has been a requirement that Congress call a convention for consideration of possible amendments to the document when asked to do it formally
C.was never applied, whereby Congress is required to call a convention for considering possible amendments to the document when asked to do it formally
D.has never been applied, whereby Congress is required to call a convention to consider possible amendments to the document when formally asked to do so
E.has never been applied, Congress is required to call a convention to consider possible amendments to the document when formally asked to do so

我想问的是，由于句中的never，所以一定要用完成时态？请大家再讨论一下大多数用完成时的情况，谢谢！

xiaoyue45084508

我想问的是，由于句中的never，所以一定要用完成时态？请大家再讨论一下大多数用完成时的情况，谢谢！

我知道的就是since一般要用完成时态。never不一定。在语法大全里面搜索到几个题目看看。
135      recently as 1950, tuberculosis was never curable unless sequestered in sanitariums; today, the drug Isoniazid has made such treatment obsolete.
(A) unless sequestered
(B) without sequestering
(C) without being sequestered
(D) unless it was sequestered
(E) unless patients were sequestered
答案E
263     ring the first nine months of 1979, textbook publishers incurred substantial costs for creating products that, due to a decline in public funding for instructional material, never were sold.
(A) funding for instructional material, never were
(B) funding for instructional material, never was
(C) funding, the instructional material, was never
(D) funding for instructional material, the products were never
(E) funding, they were never
答案A
我觉得时态关键还是要具体问题具体分析吧，象你上次提的during一样，我们好象认为它必须加完成时，其实不然。那个during的帖子我回复了。

excellent

谢谢xiaoyue45084508的精彩答复！我发的新贴较多，大多是弱弱的题目，请勿见怪！