问题
单项选择题
从原点出发与TC曲线相切的直线的斜率（）
A.等于AC的最低值
B.大于MC
C.等于AVC的最高值
D.等于AFC的最低值
答案
参考答案：A
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从原点出发与TC曲线相切的直线的斜率（）
A.等于AC的最低值
B.大于MC
C.等于AVC的最高值
D.等于AFC的最低值
参考答案：A
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