[单选题]

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

参考答案与解析:

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