When purchasing, receiving and storing food what rule should be observed​

Keep high-risk food at 5 °C or below or above 60 °C to avoid the temperature danger zone.
Store raw foods below cooked foods.
Store food in suitable, covered containers.
Avoid refreezing thawed foods.
Check and observe the use-by dates on food products.
Take special care with high-risk foods.

Uhh wdym? like i don’t get what ur trynna say

Ithink the answer is d) once again don't kill me if i got the answer wrong > _<

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