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Verbal·Standard English Conventions·Boundaries
medium
A bias toward studying diversity at a local rather than a continental scale was one of the many shortcomings researcher Sonia Llorente-Culebras and her team __________ analyzing nearly 400 biodiversity studies from around the globe.
Which choice completes the text so that it conforms to the conventions of Standard English?
A
discovered: while
B
discovered, while
C
discovered while
D
discovered. While