Some food can be stored at room temperature until you open it, then you should keep it in what?\nOptions:\n- shop\n- bookcase\n- shelf\n- refrigerators\n- kitchen
Step-by-step reasoning process below:

User
Some food gets spoiled at room temprature after you open it so such food should be kept in refrigerator. Refrigerator have low temprature so that food stay fresh for long time. The answer: refrigerators.
Assistant