People are increasingly concerned about food safety, and matters such as food-borne illnesses, environmental contaminations, nat

题目：People are increasingly concerned about food safety, and matters such as food-borne illnesses, environmental contaminations, natural toxicants in foods, pesticides, and food additives. Moving the food from the field to processors, stores, and onto your table requires a vast network. Public agencies monitor this huge network. Which of the following is the best topic for the passage?

A. food safety

B. public agencies

C. food-borne illnesses

D. pesticides

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