选择题:[单选题,16.6分] 如果边际成本在一定的产出范围以内大于平均成本,那么在这一范围内,产出的增加将

题目内容:
[单选题,16.6分]
如果边际成本在一定的产出范围以内大于平均成本,那么在这一范围内,产出的增加将会使平均成本

A.升高
B.降低
C.升高或者降低将会取决于可变成本的变化
D.保持不变
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