Valerie wants to decouple her application infrastructure from her underlying operating system platforms to allow her to more easily migrate between cloud service providers. What type of solution will best fit her needs?
选项：

A: Use custom configured Linux virtual machines to host the application.
B: Use containers configured for the application to host the application.
C: Use the cloud provider’s native serverless infrastructures to host the applications.
D: Use default Linux systems with default configurations to host the application.