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单选题

Given the following script, why does the output come out as an empty line instead of "dog"?()

发布日期:2022-05-25

Given the following script, why does the output co...
A

The $VAR variable was not exported

B

The $VAR should have been set as VAR

C

dog needs double quotes around it when setting $VAR

D

The { } should not be around VAR in the echo command

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