单选

产生死锁的4个必要条件为：互斥、请求保持、循环等待和(55)分配方式。

A．资源消耗性
B．资源非消耗性
C．不可剥夺式
D．可剥夺式

试题出自试卷《软件水平考试（初级）程序员上午（基础知识）模拟试卷28》

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