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單項選擇題

A System p administrator needs to run the annualreval.sh script, directing standard error to /var/log/reval.err, and appending standard out to /var/log/reval.log. 
How can this be accomplished ()

A.annualreval.sh 2>&1 /var/log/reval.log 2> /var/log/reval.err
B.annualreval.sh 1>/var/log/reval.log 2>/var/log/reval.err
C.annualreval.sh 2>>&1 /var/log/reval.log /var/log/reval.err
D.annualreval.sh 1>>/var/log/reval.log 2>/var/log/reval.err

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