To maintain a healthy cardiovascular system, doctors recommend that patients refrain _________ consuming excessive amounts of sodium.
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writingWhich choice completes the text so that it conforms to the conventions of Standard English?
A
of
B
to
C
from
D
against
Correct Answer: C
Choice C is the best answer. The verb "refrain" is conventionally followed by the preposition "from."
Choice A is incorrect because "refrain of" is grammatically incorrect. Choice B is incorrect because "refrain to" is grammatically incorrect. Choice D is incorrect because "refrain against" is not standard usage.