求助GWD7-15,拜托了

abcd1234czyf · 发表于 2011-10-11 08:23:31

The city has proposed a number of water treatment and conservation projects the cost of which raises water bills high enough so that even environmentalists are beginning to raise alarms.

the cost of which raises water bills high enough so that[CH1]
at a cost raising water bills so high that[CH2]
at a cost which raises water bills high enough so[CH3]
whose cost [CH4]will raise water bills so high that
whose cost will raise water bills high enough so that[CH5]

疑惑：1：
正确选项是D选项
答案解释说B选项，at a cost of doing即使这个选项把这一点错误改掉后，仍然不如E选项好，因为E的定语从句很明
确地指出了修饰对象
请问，whose的修饰对象是什么，这里不是没有人么？
2.at a cost of doing 是正确用法吗？
谢谢啦，希望各位大神帮帮忙！

abcd1234czyf · 发表于 2011-10-15 08:44:41

求助

暗地忍者 · 发表于 2011-12-8 23:07:54

whose没说一定要指代人额。。。。

Sundercover · 发表于 2012-1-1 15:40:03

不确定这个rising 有没有修饰 the city的嫌疑

求助GWD7-15,拜托了

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