Janet is the cybersecurity lead for a medium$-$sized company located in a hurricane$-$prone region. She's been tasked with designing a plan to ensure the company's systems remain available and functional, even during a natural disaster. What strategy should she prioritize to maximize resilience and support continuity of operations?

A Establish backup datacenters at least $90$ miles apart and in a non$-$hurricane$-$prone region.

B Use a highly sophisticated cryptographic solution for all systems.

C Store all company data on physical servers in a highly secure location.

D Depend solely on uninterruptible power supply $($UPS$)$ systems for power$-$related contingencies.