GMAT申友句子改错SC题库-Over the next few years, increasing demands on the Chattahoochee River, which flows into the Apalachicola River, could alter the-OG2022-真题答案解析

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Over the next few years, increasing demands on the Chattahoochee River, which flows into the Apalachicola River, could alter the saline content of Apalachicola Bay, which would rob the oysters there of their flavor, and to make them decrease in size, less distinctive, and less in demand.

(A)which would rob the oysters there of their flavor, and to make them decrease in size,

(B)and it would rob the oysters there of their flavor, make them smaller,

(C)and rob the oysters there of their flavor, making them decrease in size,

(D)robbing the oysters there of their flavor and making them smaller,

(E)robbing the oysters there of their flavor, and making them decrease in size,

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答案：

Parallelism;

Grammatical Construction

The sentence claims that demands for river water may change the saline content of the bay, possibly altering the flavor and size of oysters there and diminishing the oysters’ marketability. The sentence is not parallel. It should read which would rob the oysters …

and make them decrease to be parallel and grammatical. The series of three phrases after

make them that describes what will happen to the oysters also needs to be parallel.

A.The referent of the relative pronoun, which, is ambiguous; the two effects of altered

saline content are not expressed in parallel form, with a relative clause expressing the first effect, and an infinitive phrase expressing the second.

B.The referent of the pronoun it is ambiguous. Also, the effects of the bay’s altered saline content are not expressed in parallel form—the first being an independent clause and

the second a verb phrase.

C.The comma before the conjunction and signals that an independent clause will follow

and, but a verb phrase follows instead. The series of phrases following making them

lacks appropriate parallelism.

D.Correct. The potential effects on the oysters are expressed by two parallel participial phrases, the second of which lists three adjectives correctly in a series.

E.The series of phrases following making them lacks appropriate parallelism.