求助！一道语法题！非常困惑！！！

speedtouch · 发表于 2008-5-19 23:14:00

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.



B.  at a cost raising water bills so hight that

D.  whose cost will raise water bills so high that



为什么B 不能选？而选D ？    谢谢！！

mengtingw · 发表于 2008-5-20 06:34:00

B基本不顺吧。at a cost和raising water bills之间没有恰当连接词.可以是at a cost which raises/will raise water bills...

愁予 · 发表于 2008-5-20 11:08:00

介词短语做状语的可能性比较大，在这里的at a cost有修饰动词proposed的嫌疑，不如d明确

speedtouch · 发表于 2008-5-21 15:19:00

哦！！！有道理！！明白！谢谢！

求助！一道语法题！非常困惑！！！

求助！一道语法题！非常困惑！！！

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