SAT Reading & Writing · Form, Structure, and Sense

Having reviewed decades of fisheries data, the marine biologists concluded that heavy fishing pressure ______ smaller, earlier-maturing…

Having reviewed decades of fisheries data, the marine biologists concluded that heavy fishing pressure ______ smaller, earlier-maturing fish to become more common in the population over time.

Which choice completes the text so that it conforms to the conventions of Standard English?

Answer and explanation

Answer: B: caused

The sentence describes a completed act of concluding, in the simple past, "concluded." The clause describing what the biologists concluded should match that same past-tense frame, calling for caused. Cause is plural and also breaks the necessary past-tense agreement with "concluded." Will cause shifts to future tense, inconsistent with a conclusion drawn from decades of past data. Has caused shifts to present perfect, implying a connection to the present moment that the sentence's past-tense framing doesn't call for.

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