The city has proposed a number of water treatment and

Question

The city has proposed a number of water treatment and conservation projects  the cost of which raises water bills high enough so that  even envirtonmentalists 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 bils high enough so that

keirin79 · Answer

Another vote for D.

at a cost raising water bills should be rephrased - at a cost that will raise water bills so high that... which D, a possessive pronoun, has done.

HowManyToGo · Answer

Agree with D.

BTW , why is "high enough so that" not effective.

HMTG.

Darth_McDaddy · Answer

D for me.

gmat2me2, choice B uses "at a cost raising" and therefore is wrong. If the choice were worded - "at a cost that will raise water bills", then perhaps, it would make more sense. Also if you notice, the sentence uses past-tense, and the choice uses a present continuous tense.

gandy_achar · Answer

The city has proposed a number of water treatment and conservation projects the cost of which raises water bills high enough so that even envirtonmentalists 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 bils high enough so that

D

A, B and C - Wrong usage of the verb
E - wordy

The city has proposed a number of water treatment and

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