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【单选题】
1978年5月11日,一篇题为《实践是检验真理的唯一标准》的文章发表,在全国引发了关于真理标准问题的大讨论。这篇文章公开发表在--。()A.
《人民日报》
B.
《解放军报》
C.
《光明日报》
D.
《红旗》杂志
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