Experts please reply: I eliminated option C because it fails to address whether or not the nutrients/vitamins are depleted for cooked or irradiated food.

I'm I missing anything here?

C doesn't need to address the depletion of nutrients, because the argument itself already establishes that irradiation destroys nutrients and infers that cooking does as well. there is no need for the answer choice to recapitulate what we are already told in the argument.. Thanks Tim. I misread the...