刘某的妻子突患重病住院治疗，急需五万元医疗费，刘某一时无法拿出，只好将自己祖传的一幅现时市场价为二十多万元的名人字画出售。马某知道刘某急需要用钱，提出以两万元将该字画购买，刘某虽然明知价格实在太低，但一时间又难以找到其他买家，只好将字画以两万元出售给马某。马某的行为效力如何？（） - 查题网

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成人高等教育 / 形势与政策

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刘某的妻子突患重病住院治疗，急需五万元医疗费，刘某一时无法拿出，只好将自己祖传的一幅现时市场价为二十多万元的名人字画出售。马某知道刘某急需要用钱，提出以两万元将该字画购买，刘某虽然明知价格实在太低，但一时间又难以找到其他买家，只好将字画以两万元出售给马某。马某的行为效力如何？（）

A、
欺诈行为，属于无效的民事行为
B、
胁迫行为，属于效力待定的民事行为
C、
显失公平，属于可变更、撤销的民事行为
D、
乘人之危，属于可变更、撤销的民事行为

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形势与政策

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