Q8: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.
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
answer
why not B? at a cost 为什么不能做定语修饰water treatment and conservation projects
Jerry: 你的问题，偶认为应该从文章的整体意思来看，总之：at a cost of是“以什么代价（来做什么）”的意思，这样的意思，应该修动词。
Q9:By merging its two publishing divisions, the company will increase their share of the country’s $21 billion book market from 6 percent to 10 percent, a market ranging from obscure textbooks to mass-market paperbacks.
A. their share of the country’s $21 billion book market from 6 percent to 10 percent, a market ranging
B. from 6 percent to 10 percent its share of the $21 billion book market in the country, which ranges
C. to 10 percent from 6 percent in their share of the $21 billion book market in the country, a market ranging
D. in its share, from 6 percent to 10 percent, of the $21 billion book market in the country, which ranges
E. to 10 percent from 6 percent its share of the country’s $21 billion book market, which ranges
Answer:E why not B? 我选D, E中to 10 percent from 6 percent 与 its share 是什么关系？
