双引号your_name='runoob'str=Hello, I know you are \$your_name\! \necho -e $str输出结果为：Hello, I know you are runoob!
A.正确
B.错误
正确答案：正确
双引号your_name='runoob'str=Hello, I know you are $your_name! necho -e $str输出结果为：Hello, I know you are runoob!
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