OG SC 87 it指代问题，盼望大神

我名字真棒 · 发表于 2013-9-12 13:31:07

it，they 一般都是指前句的主语
但是在这道题里
87. According to scientists who monitored its path, an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth, which brightened the Northern Lights and also possibly knocking out a communications satellite

A. an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth, whichbrightened the Northern Lights and also possibly knocking

B.an expanding cloud of energized particles ejected from the Sun was what recently triggered a large storm in the magnetic field that surrounds Earth, andit the brightened the Northern Lights and also possibly knocked

C.an expanding cloud of energized particles ejected from the Sun recently triggered a large storm in the magnetic field that surrounds Earth, brighteningthe Northern Lights and also possibly knocking

D. a large storm in the magnetic field that surrounds Earth, recently triggered by an expanding cloud of energized particles, brightened the Northern Lights and it possibly knocked

E. a large storm in the magnetic field that surrounds Earth was recently triggered by an expanding cloud of energized particles, brightening the Northern Lights and it possibly knocked

中C 选项，中ing修饰前句主语应该是cloud 而不是strom啊。难道前从句主语是storm？

kiwifoodtown · 发表于 2013-9-12 13:47:53

分词作结果状语，对主句的修饰。修饰前句主语应该是cloud 还是strom这种讨论，没什么意义。

ashlyzhu · 发表于 2013-9-12 16:07:42

我记得prep笔记上说过，修饰主谓，表示ving和前面的谓语动作一起发生吧。。。等下我在翻番笔记。。。。

我名字真棒 · 发表于 2013-9-13 12:26:13

那他主句的主语是谁呢

我名字真棒 · 发表于 2013-9-13 12:28:12

ashlyzhu 发表于 2013-9-12 16:07
我记得prep笔记上说过，修饰主谓，表示ving和前面的谓语动作一起发生吧。。。等下我在翻番笔记。。。。 ...

看到了么谢谢

ashlyzhu · 发表于 2013-9-13 22:20:22

我名字真棒发表于 2013-9-13 12:28
看到了么谢谢

找到了：
1.v-ing结构在句子末尾时，如果前面是主谓宾结构，如果同时时态上与主句搭配合理，v-ing结构作状语，作为：一，伴随动作，与主句同时发生。二，伴随借过，表示主句所带来的结果。brightening 和knocking在这里我觉得是cloud 在trigger storm后所带来的结果
2，如果前面是主系表结构，由于系动词是一个状态不存在“被伴随”,ving结构修饰整个主系表结构，也可以说是修饰前面的名词成分——主语。（如果宾语是名词，也一同修饰，因为主系表结构中{a is b}主语和宾语所致是同一事物）..
可以在上网搜搜

OG SC 87 it指代问题，盼望大神

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