Astronomers found two new stars in the Andromeda galaxy; both are red giants, and are therefore _________
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writingWhich choice completes the text so that it conforms to the conventions of Standard English?
A
a dying star.
B
an aging star.
C
massive stars.
D
a celestial body.
Correct Answer: C
Choice C is the best answer. The subject refers to "both" stars, so the noun describing them must be plural ("massive stars").
Choice A is incorrect because "a dying star" is singular. Choice B is incorrect because "an aging star" is singular. Choice D is incorrect because "a celestial body" is singular.