mgmt_gmat wrote: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
here are a few angles from which you can attack this problem.
1) VERB TENSE
the treatment and conservation projects described in the sentence
have been proposed. the implication, then, is that these projects have not yet been implemented; therefore,
any verb describing the effects of the projects must appear in the future tense.
this observation will eliminate (a), (b), and (c), each of which implies that the cost
is already raising water bills
in the present, or
has already raised those bills.
(A and C literally contain the present tense, while B contains a -ING modifier that automatically adopts the tense of the main clause -- in this case, the present perfect.)
2) REDUNDANCY
you can't use both "enough" and "so" in the same description; each of these alone is sufficient to articulate the desired meaning.
this observation is enough to eliminate (a), (c), and (e).
3) "WHICH", OR OTHER MODIFIERS CONTAINING "WHICH", MUST BE PRECEDED BY A COMMA
(c) contains an instance of "which" that is not preceded by a comma -- instant elimination.
the same goes for "each of which", "from which", "of which", etc. -- so we can also eliminate (a), since "the cost of which" falls into the same category.
Ron has been teaching various standardized tests for 20 years.
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