The stamps were according to their styles and features.A. found outB. turned outC. put ou

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A. found out
B. turned out
C. put out
(答案→)D. sorted out
解析：短语辨析。A发现；查明；B结果是，原来是；C生产，破灭；D分类；句意：根据邮票的风格和特点，这些邮票被分类了。根据句意说明D正确。