题目内容
(请给出正确答案)
[单选题]
command1 && comman2 || command3的含义是:()
A.当command1,command2成功时才执行command3
B.当command1,command2失败时才执行command3
C.当command1失败,command2成功时才执行command3
D.当command1成功,command2失败时才执行command3
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A.当command1,command2成功时才执行command3
B.当command1,command2失败时才执行command3
C.当command1失败,command2成功时才执行command3
D.当command1成功,command2失败时才执行command3
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