An operator needs to run a script which will write standard output and standard error to different files. Which of the following commands will successfully perform this task?（）

• A、myscript.ksh 1>/tmp/log/script.log 2>/tmp/log/script.err
• B、myscript.ksh $1>/tmp/log/script.log $2>/tmp/log/script.err
• C、myscript.ksh 1>/tmp/log/script.log 2>1 /tmp/log/script/err
• D、myscript.ksh 2>1 /tmp/log/script.log 2> /tmp/log/script.err