Final answer:
A delinquent guaranteed term operating loan (OL) that is rescheduled must be repaid over a period not to exceed 15 years.
Thus, the correct option is C.
Step-by-step explanation:
In the context of a delinquent guaranteed term operating loan (OL) that is rescheduled, the repayment period should not exceed a certain number of years. Based on the given choices, the correct answer is C. 15 years.
The maximum repayment period for a rescheduled delinquent guaranteed term operating loan, based on typical loan restructuring scenarios and lacking specific regulatory details, would be best estimated at 15 years.
Therefore, the correct option is C. 15