During a community program about food safety, a participant asks, I know it is important to use safe ...

During a community program about food safety, a participant asks, I know it is important to use safe food practices to avoid microbial contamination, but what other possible risks are there with our food supply?
 
  Which response by the nurse would be most appropriate?
  A) Nothing is more of a problem than food-borne illness.
  B) Risks occur only at food production and not handling or consumption.
  C) Radiating food is something that really doesn't occur in the United States.
  D) A recent concern has been raised about genetically modified foods being marketed.