Dear Friends,
Here is a detailed explanation to this question-
Bunuel
Over the past ten years cultivated sunflowers have become a major commercial crop, second only to soybeans as a source of vegetable oil.
A. second only to soybeans as a source of vegetable oil
B. second in importance to soybeans only as a source of vegetable oil
C. being second in importance only to soybeans as a source of vegetable oil
D. which, as a source of vegetable oil, is only second to soybeans
E. as a source of vegetable oil only second to soybeans
Meaning is crucial to solving this problem:
Understanding the intended meaning is key to solving this question; the intended meaning of this sentence is that cultivated sunflowers have become a major commercial crop and are second only to soybeans as a source of vegetable oil.
Concepts tested here: Meaning + Grammatical Construction + Awkwardness/Redundancy• Information that is important to the core meaning of the sentence must not be placed between commas.
A: Correct. This answer choice uses the phrase "second only to soybeans as a source of vegetable oil", conveying the intended meaning - that cultivated sunflowers have become a major commercial crop and are second only to soybeans as a source of vegetable oil. Further, Option A avoids the grammatical construction error seen in Option D, as it places no information between commas. Besides, Option A is free of any awkwardness or redundancy.
B: This answer choice alters the meaning of the sentence through the phrase "second...only as a source of vegetable oil"; the construction of this phrase incorrectly implies that
only in the context of being a source of vegetable oil are sunflowers second to soybeans; the intended meaning is that only soybeans are a better source of vegetable oil than sunflowers are. Further, Option B uses the needlessly wordy phrase "second...in importance", leading to awkwardness and redundancy; this usage is redundant, as "in importance" can be deleted without a loss of clarity.
C: This answer choice alters the meaning of the sentence through the phrase "being second in importance"; the use of the present participle ("verb+ing" - "being" in this sentence) after a comma incorrectly implies that cultivated sunflowers have become a major commercial crop, and
as a result are second only to soybeans as a source of vegetable oil; the intended meaning is that cultivated sunflowers have become a major commercial crop, and
as a separate action are second only to soybeans as a source of vegetable oil. Further, Option C uses the needlessly wordy phrase "second...in importance", leading to awkwardness and redundancy; this usage is redundant, as "in importance" can be deleted without a loss of clarity.
D: This answer choice incorrectly places information important to the core meaning of the sentence -- the fact that it is in the context of being a source of vegetable oil that sunflowers are second to soybeans, between two commas; please remember, information that is important to the core meaning of the sentence must not be placed between commas.
E: This answer choice alters the meaning of the sentence through the phrase "as a source...soybeans"; the construction of this phrase incorrectly implies that sunflowers have become a major commercial crop,
in the role of a source of vegetable oil that is second only to soybeans the intended meaning is that cultivated sunflowers have become a major commercial crop, and
as a separate action are second only to soybeans as a source of vegetable oil.
Hence, A is the best answer choice.To understand the concept of "Extra Information Between Commas" on GMAT, you may want to watch the following video (~1 minute):
All the best!
Experts' Global Team