Which of the following would the company MOST likely be concerned about when utilizing a multicloud strategy or migrating to another cloud provider?

A company developed a product using a cloud provider’s PaaS platform and many of the platform-based components within the application environment.
Which of the following would the company MOST likely be concerned about when utilizing a multicloud strategy or migrating to another cloud provider?
A. Licensing
B. Authentication providers
C. Service-level agreement
D. Vendor lock-in