Which command will redirect standard error to ls$-$output.txt$?$A$.$ echo $error ls$-$output.txtB$.$ ls $/$us$/$bin $>2>$&$1>$ ls$-$output.txtC$.$ ls $/$us$/$bin $>$ ls$-$output.txt $2>$&$1$D$.$ ls $/$us$/$bin $>>>$ ls$-$output.txt $2>>>$&$1$