【单选题】
A healthcare and life sciences client wants to maintain electronic patient records， including medical images， for two years after each patient’s death. How would the IT storage industry describe this business goal？（）
A、Archive solution that requires event-based retention
B、Backup solution that provides version-based expiration
C、Business continuity solution that provides two years Recovery Time Objective （RTO）
D、Business continuity solution that provides two years Recovery Point Objective （RPO）
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