Final answer:
To be eligible for the Zone C Selective Reenlistment Bonus, a person must not have completed more than 14 years of active military service. The correct option is c. 14 years.
Step-by-step explanation:
The Zone C Selective Reenlistment Bonus (SRB) eligibility requires that a person must NOT have completed more than 14 years of active military service. So, the correct answer to the question is c. 14 years. The SRB is a monetary incentive for enlisted service members who reenlist in areas where the military needs to maintain an experienced force. Being eligible for this bonus means meeting specific criteria, including the number of years of service already completed.