单选题:与高级时装等非生活必需品相比,粮食等生活需求品的需求价格弹性是(  )。

题目内容:
与高级时装等非生活必需品相比,粮食等生活需求品的需求价格弹性是(  )。 A.较低
B.较高
C.相等
D.不能判断

参考答案:
答案解析:

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