Which factor motivates companies to increasingly adopt the use of the cloud, transforming their environments at the same time reducing the size of legacy systems and reducing costs?

A. Virtual servers can be migrated between dedicated hosts based on workload requirements

B. All public cloud resources can be freely accessed by every member all the time

C. A full on premises service stack that enables highly available, redundant, and isolated client solutions

D. The power, scalability, flexibility, and pay-as-you-go economics of the cloud

Reference: https://www.ibm.com/in-en/it-infrastructure/flexible