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Verbal·Standard English Conventions·Form, Structure, and Sense
easy
Employing high-precision laser altimetry to map the dense canopy of the Guatemalan jungle,        hundreds of previously unrecorded structures, including fortified hilltop defenses, interconnected causeways, and domestic residential terraces.
Which choice completes the text so that it conforms to the conventions of Standard English?
A
the Pacunam LiDAR initiative revealed
B
previously unrecorded structures were discovered by researchers with
C
the discovery of fortifications was made by archaeologists in
D
domestic terraces and causeways were documented through