The following diagram denotes dependency between two activities A and B,It says(
The following diagram denotes dependency between two activities A and B,It says()
A.B can’t start before A is finished
B.B can’t finish before A is finished
C.B can’t start before A starts
D.B can’t finish before A starts
正确答案:A解析:下图表示的活动A与B的依赖关系可以描述为()A、A结束前B不能开始B、A结束前B不能结束C、A开始前B不能开始D、A开始前B不能结束
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