A User Wants to Convert Numeric Field Values to Strings

A user wants to convert numeric field values to strings and also to sort on those values. Which command should be used first, the eval or the sort ?

A) It doesn't matter whether eval or sort is used first. It doesn't matter whether or is used first.
B) Convert the numeric to a string with eval first, then sort . Convert the numeric to a string with first, then .
C) Use sort first, then convert the numeric to a string with eval . Use first, then convert the numeric to a string with
D) You cannot use the sort command and the eval command on the same field. You cannot use the command and the command on the same field.