41. Under a provision of the Constitution that was never applied. Congress has been required to call a conven.tion for considering possible amendments to the document when formally asked to do it by the legisla.tures 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 consider.ation 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 amend.ments to the document when formally asked to do so
1. 句子的完整性(一级排除C，D ) Whereby 是个从属连词, 句子结构： 加上连词 whereby 造成没有主句 By introducing the subordinating conjunction whereby, C and D produce sentence fragments. è无主句
2. 时态 ： 现在时 和 过去时 不能统一(二级排除A,B )
3. 表示目的用不定式 call … to do 比 call .. for doing 要好
4. 代词： 指代动作的时候 用 do so , 不用 do it. uses of a pronoun (it) with no noun referent.