由于操作系统升级而对软件进行修改的行为属于（ ）维护。
- A.改正性
- B.适应性
- C.改善性
- D.预防性
正确答案及解析
正确答案
解析
维护分类（ISO／IEC14764）
更正性维护：更正交付后发现的错误。
适应性维护：使软件产品能够在变化后或变化中的环境中继续使用。
完善性维护：改进交付后产品的性能和可维护性。
预防性维护：在软件产品中的潜在错误成为实际错误前，检测并更正它们。
依据题干的描述本次维护应该是为了适用变化了的运行环境，应属于适应性维护。
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