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Verbal·Standard English Conventions·Form, Structure, and Sense
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The scientific team using the Dark Energy Spectroscopic Instrument (DESI) to conduct a cosmological survey, which has generated the largest 3D map of our universe to date, plans to observe roughly 50 million celestial objects. Mounted on a telescope in Arizona,       
Which choice completes the text so that it conforms to the conventions of Standard English?
A
the distribution of matter throughout our universe is tracked by researchers using this remarkable instrument that can measure 5,000 galaxies simultaneously.
B
researchers track how matter is distributed throughout our universe with this remarkable instrument that can measure 5,000 galaxies simultaneously.
C
5,000 galaxies can be measured simultaneously by this remarkable instrument, tracking how matter is distributed throughout our universe.
D
this remarkable instrument can measure 5,000 galaxies simultaneously, tracking how matter is distributed throughout our universe.