问题 单项选择题

一项对一幅刚发现的画——某些权威判断是梵高的自画像——的X光检验发现,在其下面有一幅妇女的面部像的底影。或者是梵高,或者是别的画家,用现在看到的帆布表面的画像覆盖了第一幅画。因为底影中的妇女的脸也出现在已知的由梵高画的画中,所以表面上的画一定是梵高的自画像。
上述结论依赖下面哪个假设

A.如果画布上已经有了一位画家的一部作品,第二个用这块画布创作新作品的画家会受到第一个画家画风的影响。

B.许多已经被确认为是梵高的表面画都包含有底影,而这底影至少出现在已知的由梵高画的另外一幅帆布画中。

C.所有被误认为是梵高的画都没有曾在其真品中出现过的某对象的底影。

D.如果一幅油画的底影不能断定是某位画家的真品,那么也无法判定这幅画出自那位画家之手。

答案

参考答案:C

解析: 题干根据梵高的真品中出现过底影中妇女的脸,得出结论:这个底影中有妇女的脸的画是梵高的自画像。要想得出这个结论,必须假设:在梵高真品中出现的底影中的妇女的脸,都没有在不是梵高的画中出现。也就是说,所有不是梵高的画中,都没有出现底影中的妇女的脸,即C。

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