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Verbal·Standard English Conventions·Form, Structure, and Sense
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Working with equipment designed for a billionths of a meter scale, __________
Which choice completes the text so that it conforms to the conventions of Standard English?
A
nanoengineers have synthesized silica nanoparticles that are used to administer medicines to specific cells in the body.
B
nanoengineers’ synthesized silica nanoparticles are used to administer medicines to specific cells in the body.
C
silica nanoparticles that have been synthesized by nanoengineers are used to administer medicines to specific cells in the body.
D
synthesized silica nanoparticles used to administer medicines to specific cells in the body have been created by nanoengineers.