Which statement describes how patterns are used in cloud computing?
A. They are specific, reusable ideas that have been proven solutions to commonly occurring problems.
B. They are logical descriptions of the physical and virtual assets that comprise a cloud computing solution.
C. IT resources required by all collaborating partners are offered in a controlled environment accessible only by the community.
D. The Cloud Service Provider adoption pattern defines cloud-based solutions that provide cloud services through a service provider model.