Select an expression to complete the program segment below, which is designed to read data from a file whose name is specified as the first command line argument. If no command line arguments are given, the program reads data from the default.txt file.qquad $)\{$fileName $=$ args$[0]$;$\}$I$/$ additional statements to open file and read dataargs $>0$args$[0]1=$ nu$11$args. $1$ ength $>0$args. length $>0$