Which of the following statements is true about the software as a service model?

A) The customer has no knowledge or control over the underlying infrastructure and has only limited ability to control or configure application-specific settings.

B) The customer has to manage the licenses for the operating systems being used.

C) The customer can run his or her own applications that are typically designed using tools provided by the service provider.

D) The customer is provided with the basic capabilities of processing, storage, and networking.

E) The user has control over the applications but has limited or no control over the underlying infrastructure.