GWD7-Q15: The city has proposed anumber of water treatment and conservation projects the cost of which raiseswater bills high enough so that even environmentalists are beginning toraise alarms. A. the cost of which raises water bills high enough so that B. at a cost raising water bills so high that C. at a cost which raises water bills high enough so D. whose cost will raise water bills so high that E. whose cost will raise water bills high enough so that
答案是D,为什么B不行?如果是很愚蠢的问题也求不吝赐教啊TAT
|