单项选择题A healthcare and life sciences client wants to maintain electronic patient records, including medical images, for a period of seven years. How would the IT storage industry describe this business goal?()
A. an archive solution that requires event-based retention
B. a backup solution that provides version-based expiration
C. a PACS environment that provides two year litigation hold
D. a business continuity solution that provides two years Recovery Time Objective (RTO)