一道SAT语法题,

题目

一道SAT语法题,
When light from a distant source,（such as the sun,it strikes） a collection of water drops,such as rain,spray,or fog,a rainbow may appear.
(A) such as the sun,it strikes
(B) like the sun's,striking
(C) such as the sun,and striking
(D) such as the sun,strikes
(E) like the sun's,strikes
我选的是E,

答案

首先判断是插入语.插入语在句子中即使删掉也不影响句子结构.所以含有it strikes的都不对.因为如果这样的话,这句子就有两个主语（it 和 a collection of water drops）然后考虑：such as指代的到底是什么.是a distant...