Choice A and C are dealing with the treatment for pironoma and are irrelevant to the accuracy of tests to detect pironoma.
(A) The accepted treatment for pironoma does not have damaging side effects.
Negate - The accepted treatment for pironoma does have damaging side effects. The negation does not affect the argument at all. So, no impact on the argument.
Similarly, Choice B deals with the side effects of tests to detect pironoma, and does not address their accuracy. so incorrect.
(D) The
...
(A) The accepted treatment for pironoma does not have damaging side effects.
Negate - The accepted treatment for pironoma does have damaging side effects. The negation does not affect the argument at all. So, no impact on the argument.
Similarly, Choice B deals with the side effects of tests to detect pironoma, and does not address their accuracy. so incorrect.
(D) The
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