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