Which choice completes the text so that it conforms to the conventions of Standard English?
A
attests
B
has attested
C
is attesting
D
attest
Explanation
Correct answer: D.
Choice D is the best answer. The convention being tested is subject-verb agreement. The plural verb "attest" agrees in number with the plural subject "trailblazing accomplishments."
Why the other choices are wrong
Choice A
Choice A is incorrect because the singular verb "attests" doesn’t agree in number with the plural subject "trailblazing accomplishments."
Choice B
Choice B is incorrect because the singular verb "has attested" doesn’t agree in number with the plural subject "trailblazing accomplishments."
Choice C
Choice C is incorrect because the singular verb "is attesting" doesn’t agree in number with the plural subject "trailblazing accomplishments."