求解答！GWD的SC题一道！感谢！

狗蛋跑跑

Almost a decade after New York State passed laws to protect patients by reducing the grueling hours worked by medical residents, twelve hospitals have been investigated by state medical officials, finding that all twelve consistently break the laws, many residents work longer than 24 hours straight, and that more than half the surgical residents work more than 95 hours a week.

A  twelve hospitals have been investigated by state medical officials, finding that all twelve consistently break the laws, many residents work longer than 24 hours straight, and that more than half the surgical residents work


B  an investigation by state medical officials of twelve hospitals have found all twelve consistently breaking the laws, that many residents work longer than 24 hours straight, with more than half the surgical residents working


C  an investigation of twelve hospitals by state medical officials has found that all twelve consistently break the laws, that many residents work longer than 24 hours straight, and that more than half the surgical residents work


D  twelve hospitals were investigated by state medical officials who found all twelve breaking the laws, with many residents working longer than 24 hours straight, and more than half the surgical residents work


E  an investigation by state medical officials has found that, of twelve hospitals, all twelve consistently break the laws, that many residents work longer than 24 hours straight, with more than half the surgical residents working

狗蛋跑跑

正确答案是C 想知道D为什么错啊
然后that前面不是不能加逗号的吗 平行结构的时候就可以了是吗？
感谢！！！！！！！！！！！！！！

fxxxfxxx

狗蛋跑跑 发表于 2017-7-4 18:54
正确答案是C 想知道D为什么错啊
然后that前面不是不能加逗号的吗 平行结构的时候就可以了是吗？
感谢！！ ...

这里comma是区分并列的3个that从句的啊，3个that从句是并列的，前面并没有加comma

这题里c选项是非常明显的正确选项（从并列关系和meaning上都是很完美的），建议你多看看正确选项，对比下就能很容易看出d选项的问题，d选项的问题很多，就不一一说了

狗蛋跑跑

fxxxfxxx 发表于 2017-7-4 22:13
这里comma是区分并列的3个that从句的啊，3个that从句是并列的，前面并没有加comma

这题里c选项是非常明 ...

感谢！