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【单选题】
Along an indifference curve that bows inward, the marginal rate of substitution of a good ( )
A.
rises as the quantity of the good rises.
B.
decreases as the quantity of the good rises.
C.
remains the same as the quantity of the good rises.
D.
rises as the quantity of the good falls.
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三