A recent study found that the number of wild salmon migrating upstream has declined significantly, which concerns environmentalists who worry about the ecosystem’s health.
A
which concerns environmentalists who worry about the ecosystem’s health.
B
a concern for environmentalists who worry about the ecosystem’s health.
C
a fact that concerns environmentalists who worry about the ecosystem’s health.
D
concerning environmentalists who worry about the ecosystem’s health.
✓ Correct Answer: Option C
The pronoun 'which' in the original sentence vaguely refers to the entire preceding clause rather than a specific noun. Option C clearly states that 'a fact' (the decline) is what concerns environmentalists, resolving the ambiguity.
💡 Why is C) the correct answer?
The correct answer to the question "A recent study found that the number of wild salmon migrating upstream has declined significantly, which concerns environmentalists who worry about the ecosystem’s health." is Option C: a fact that concerns environmentalists who worry about the ecosystem’s health..
The other options — A) which concerns environmentalists who worry about the ecosystem’s health., B) a concern for environmentalists who worry about the ecosystem’s health., D) concerning environmentalists who worry about the ecosystem’s health. — are incorrect for this GMAT Exam Prep question. As explained above: The pronoun 'which' in the original sentence vaguely refers to the entire preceding clause rather than a specific noun. Option C clearly states that 'a fact' (the decline) is what concerns environmen…
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