Answer:
D, Keeping single-use items in their original packaging
Explanation:
By doing this, you are separating any food residue that may be left on the item away from the food you are preparing.
A is wrong because the juices and contaminants of the raw food could get onto the cooked food. They must be stored separately.
B is wrong because you need to have separate containers for you cooked food, raw foods, and vegetables
C is wrong because of the same reason as A
and E is wrong because once hot food is cooled to room temperature, there is only a certain amount of time it can stay out before going bad
