A 2024 study cataloged all the trees in Amsterdam to evaluate the biodiversity of the city’s urban forest. The researchers, finding that administrative unit GM16 had a 0.66 ratio of native to non-native trees, __________ efforts to improve the biodiversity of the trees in that unit and other areas with a similarly moderate ratio.
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Verbal·Standard English Conventions·Form, Structure, and Sense
mediumWhich choice completes the text so that it conforms to the conventions of Standard English?
A
having recommended
B
to recommend
C
recommended
D
recommending