Final answer:
The correct answer to the question is 'C. Approved application,' indicating that the cloud storage service is allowed for use with the online printing service and meets organizational standards.
Step-by-step explanation:
The cloud storage service being mentioned in the question is an approved application for the online printing service. The correct answer to the question is C. Approved application. This means that the cloud storage service has been reviewed and allowed by the authority or organization that manages the online printing service for use within its system or infrastructure. In the context of information technology, 'approved application' refers to software that has been given the green light for use because it meets certain criteria, such as security standards, compatibility, and policy compliance.