Choice (A) makes sense.
Treats a failure ( here implies that the five animal studies conducted to prove that irradiated food is safe for humans to consume is a FAILURE according to the ACTIVIST ) to prove a claim ( that irradiated food is not safe based on the observation of the independent scientists ) as constituting proof of the denial of that claim ( that irradiated food is safe to consume ).
Choices B, D & E are irrelevant to the argument.
Choice ( C ) is tempting but is not necessarily
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Treats a failure ( here implies that the five animal studies conducted to prove that irradiated food is safe for humans to consume is a FAILURE according to the ACTIVIST ) to prove a claim ( that irradiated food is not safe based on the observation of the independent scientists ) as constituting proof of the denial of that claim ( that irradiated food is safe to consume ).
Choices B, D & E are irrelevant to the argument.
Choice ( C ) is tempting but is not necessarily
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