Definition: In this task, you need to provide the correct option for a given problem from the provided options.
Input: Problem: the rational number for recurring decimal 0.125125 . . . . is :
Options: a ) 125 / 990 , b ) 125 / 999 , c ) 125 / 900 , d ) 12 / 999 , e ) 12 / 990
Output:
b