德国美学家本择把物质分为四种类型，他通过三种特征对它们做出了不同的界定，下面哪个选项不属于这些界定（）
A.固定性
B.确定性
C.预期性
D.美观性
正确答案是D
Choose the closest paraphrased version after the following sentence or the italicized part.
Sometimes I think how grateful I would be today if I had learned more back then about what really matters.（）
