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【单选题】
借口就是承认活动本身是错的，但是当事人否认他应当承担责任。辩解则是承认应当对活动承担责任，但是当事人否认这项活动是错的。面对失败的事件时，人们使用借口尽可能使自己减轻应当承担的责任，而人们使用辩解的目的是试图使之看起来不至于太差。 根据以上定义，属于辩解的是：
A.
小李失去了一笔业务，给公司造成了一定损失，他说，这是由于他腿伤发作迟到了半个小时造成的。
B.
某部门工作出现失误，其负责人说："他们做决定时根本就没有征求我的意见，我对此一无所知。"
C.
某国消费者对在包装中加入一氧化碳使肉类看起来红润新鲜的做法表示质疑，但该国食品管理局称这种做法"总体上"是安全的，并对这一结论负责。
D.
某国公司产品出现质量问题。声明称这是由于他们使用了其他公司生产的不合格部件造成的。
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