单选

●下列作业调度算法中有最短作业平均周转时间的是 (21) 。
(21)

A．先来先服务 &n
bsp; B．短作业优先
C．最高响应比优先
D．优先数法

试题出自试卷《2011年程序员考试考前密卷（四）-上午试题》

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●下列作业调度算法中有最短作业平均周转时间的是 (21) 。(21)

●下列作业调度算法中有最短作业平均周转时间的是 (21) 。
(21)