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Verbal·Standard English Conventions·Form, Structure, and Sense

hard

During a 2022 expedition led by research zoologist Andrea Quattrini, scientists discovered a new species of black coral off the coast of Puerto Rico. Like other black corals, the newly discovered species, which they named Aphanipathes puertoricoensis, has coiled branching structures that __________ it survive in the deep sea.

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

A

help

B

has helped

C

helping

D

helps