Which of the following most logically completes the argument?

The irradiation of food kills bacteria and thus retards spoilage. However, it also lowers the nutritional value of many foods. For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain. Proponents of irradiation point out that irradiation is no worse in this respect than cooking. However, this fact is either beside the point, since much irradiated food is eaten raw, or else misleading, since ___________.

Correct answer marked below

many of the proponents of irradiation are food distributors who gain from food’s having a longer shelf life

it is clear that killing bacteria that may be present on food is not the only effect that irradiation has

cooking is usually the final step in preparing food for consumption, whereas irradiation serves to ensure a longer shelf life for perishable foods

certain kinds of cooking are, in fact, even more destructive of vitamin B1 than carefully controlled irradiation is

for food that is both irradiated and cooked, the reduction of vitamin B1 associated with either process individually is compounded

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What this question tests

Whether you can complete the last sentence of an argument in a way that is logically consistent with it.

Choosing an option that sounds plausible but contradicts the argument or introduces new information.