In the poem "The river at sunrise is red as fire, and the river in spring is green as blue", the reason why the river is green is () A. The reflection of the tree B. The true color of the river C. The

In the poem "The river at sunrise is red as fire, and the river in spring is green as blue", the reason why the river is green is () A. The reflection of the tree B. The true color of the river C. The poet's fault. Algae plants are simple in structure and have no differentiation of roots, stems and leaves. The cells of algae plants contain chloroplasts. The life of algae plants needs suitable temperature. In spring, the temperature is suitable for the growth of algae, which will make algae multiply and make the water green. It can be seen that the poem in the title should describe algae plants.

So choose: D.