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Verbal·Standard English Conventions·Boundaries
easy
On February 1, 2018, Florida-based researchers Martha A. Scholl, Maoya Bassiouni, and Angel Torres-Sánchez        climate data from several sites in Puerto Rico’s Luquillo Mountains. At 12:00 a.m., the air temperature was at site CC1, the site with the highest elevation, and it had shifted to by 6:00 p.m.
Which choice completes the text so that it conforms to the conventions of Standard English?
A
compiled;
B
compiled:
C
compiled
D
compiled.