Among the following options, the correct description of the characteristics of cloud computing on-demand self-service is
A . The cloud computing service provider only needs to prepare all the services, and the remaining work is completely done by the user.
B . In the process of using cloud computing, users need to solve all problems by themselves
C . After the user has determined the cloud computing service he needs, he can complete the application for cloud computing resources alone.
D . Users do not need to explain to service providers when using cloud computing resources.
Answer: C