Each of the three cloud service models - infrastructure as a service (IaaS), platform as a service (PaaS), and software

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Each of the three cloud service models - infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS) - offers benefits between flexibility and levels of management by the cloud provider and the customer.
Why would SaaS be the right choice of service model?

A. You want a balance between flexibility for the customer and the level of management by the cloud provider
B. You want to minimize the level of management by the customer Most Voted
C. You want to maximize flexibility for the customer.
D. You want to be able to shift your emphasis between flexibility and management by the cloud provider as business needs change