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单选题
Given the following scripts, what output would be generated() usr/local/bin/scriptl    #!/usr/bin/ksh    VARl=red    export VARl=green    VARl=blue    /usr/local/bin/script2    ARl=yellow   /usr/local/bin/script2     #!/bin/ksh   echo "The sky is ${VAR1}."
A

The sky is red.

B

The sky is blue.

C

The sky is green.

D

The sky is yellow.


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