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【单选题】
对于不透明物体，其颜色是在物体吸收其他颜色光线前提下，反射光线的颜色。白色花朵表示将所有颜色的光全部反射，而黑色花朵表明所有颜色的光全部被花朵吸收。花的组织，尤其是花瓣，一般较为柔嫩，易受高温伤害。据此可以判断自然界中品种最少的A.
红色
B.
紫色
C.
黑色
D.
白色
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D.
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