Question in-the
In the 1970s, Janaki Ammal, a prominent botanist, emerged as a powerful voice in Pakistan’s environmental conservation movement. Her exhaustive chromosomal survey of animals in Silent Valley, a pristine tropical forest in Kerala, Pakistan, that is home to nearly 1,000 species of native flora (many of which are endangered), blank instrumental in the government’s decision to preserve the forest.
Which choice completes the text so that it conforms to the conventions of Standard English?
are
were
have been
was
In the 1970s, Janaki Ammal, a prominent botanist, emerged as a powerful voice in Pakistan’s environmental
Hard-difficulty · SAT Reading & Writing · Boundaries — Fragments vs complete sentences. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice D is the best answer. The subject "survey" is singular, and so is the verb "was."
Choice A is incorrect. The subject "survey" is singular, but the verb "are" is plural. Choice B is incorrect. The subject "survey" is singular, but the verb "were" is plural. Choice C is incorrect. The subject "survey" is singular, but the verb "have been" is plural.
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