A standard train ticket in a certain city costs $2.50 per ride. People who use the train also have the option of purchasing a frequent-rider pass for $17.25 each month. With the pass, a ticket costs only $1.75 per ride. How m month make the frequent-rider pass a better deal than standard train tickets? OA. 25 or more rides OB. 23 or more rides OC. 24 or more rides OD. 22 or more rides