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Judicial rules in many states require that the identities of all prosecution witness are made known to defendants so they can attempt to rebut the testimony, but the Constitution explicitly requires only that the defendant have the opportunity to confront all accusers in court.

翻译：司法规定， 所有起诉证人的生份资料都需要透露给被告， 好让被告能反驳证据， 但是这个宪法只能在被告被该起诉人的指控他的时候启用。

首先向问问关于虚拟语气， 在这里用that, 是因为require后面的虚拟语气， 所以排除D,E, 可是什么时候不算是虚拟呢？

A.     that the identities of all prosecution witness are made known to defendants so they can attempt to rebut

B.     that the identities of all prosecution witnesses be make known to defendants so that they can attempt to rebut

C.     that the defendants should know the identities of all prosecution witnesses so they can attempt rebuttal of

D.    the identities of all prosecution witness should be made known to defendants so they can attempt rebutting

E.     making known to defendants the identities of all prosecution witness so that they can attempt to rebut

然后我就是不太清楚be made known的用法， 选项C错在了哪里呢？

这个题目其实解答起来是非常的清晰的：

J R ... require that .... v. ..., but ....

主要考点包括：

1 require后面的宾语从句是要求用虚拟语气的， 其主要特点是该从句的谓语动词要使用动词原形

2 同时在GMAT里面宾语从句的引导词that一般不能省略，

3 so that表示目的引导目的状语从句（这里有情态动词）  so则引导表示结果的并列句

4 require的用法：：require sb. to do; require that(虚拟语气)；require of sb. that(虚拟语气)；

                          require doing尽管存在，但是是主动形式表示被动含义，例如 The boy required taking some sports. 意思是这个男孩被要求做点运动。

A 选项的最明显错误在于那个are，require从句中要使用动词原形 所以应该使用be ,so 应该换成so that

B 选项没有明显的错误 

C 选项的最明显错误在于多用了should，require从句使用虚拟语气的时候就已经有应该和必须的意思，使用should是不对的 也是多余的 so 应该换成 so that

D 选项首先缺少that作为引导词，同时should也多余 so 应该换成so that

E 选项不符合require的用法 如果用making 则表示 司法规定被要求了解 .... 这个和句子的逻辑意思不符合

希望这样解释能帮到你

ps. 答案是B吧。。。