单选题linux系统中,以下显示结果不同的是()。Aecho The current working path is $PWD.Becho 'The current working path is $PWD.'Cecho The current working path is $PWD.Decho The current working path is `pwd`.
单选题
linux系统中,以下显示结果不同的是()。
A
echo The current working path is $PWD.
B
echo 'The current working path is $PWD.'
C
echo The current working path is $PWD.
D
echo The current working path is `pwd`.
参考解析
解析:
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