Spinach is available all year round, but it is better in spring. Its roots are red and green, and it is particularly delicious. The spinach listed in the spring is good for detoxification and preventing dryness. Traditional Chinese medicine believes that spinach is sweet and can nourish blood Hemostasis, constricting yin, and moistening. Spinach contains more oxalic acid, which hinders the body's absorption of calcium and iron. Therefore, when eating spinach, it should be scalded with boiling water, removed and fried. If the following judgments are true, which one can best support the above argument? ['Oxalic acid easily dissolves in boiling water.', 'Adding a little white wine when stir-fried spinach can reduce the astringent taste of oxalic acid and increase a sense of fragrance.', 'Consumption of foods containing more oxalic acid will significantly increase the content of oxalic acid in the urine, which may increase the risk of urinary stones.', 'Spinach in spring is more delicious than spinach in winter.']