Ответ:
- c. There are many recipes, so the origins are difficult to settle definitively.
- b. Calling someone’s borsch “not the real thing” is impolite.
- c. Beetroot gives borsch its characteristic colour.
- c. Beetroot is the main ingredient.
- a. It is impolite to criticize someone’s food.
- a. The sentence identifies the lack of smetana as the distinguishing feature.
- b. The ingredients take time to mature.
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