单项选择题

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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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}."

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}."