which is a phrase that is commonly used to help consumers and retailers decide when food is of best…

which is a phrase that is commonly used to help consumers and retailers decide when food is of best quality?\n○ best for\n○ good for\n○ purchased by\n○ best if used by
Answer
Brief Explanations:
The phrase "best if used by" is commonly found on food products to indicate the time by which the food is of best - quality. Other options are not standard for this purpose.
Answer:
D. best if used by