Read the sentence from the video transcript of Dr. X and the Quest for Food Safety.We have one of the safest food supplies in the world, but there’s always room for improvement.

The sentence says that even though our food supply is very safe, it can still be made safer. Choice A best supports that idea by pointing out that harmful bacteria can enter our food in many ways. The other choices give facts about bacteria but do not directly explain why food safety can still be improved.

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