Which one of the following statements describes the purpose of a Service Catalog workflow?
A. A Service Catalog workflow generates three basic components: item variable types, tasks, and approvals
B. Although a Service Catalog workflow cannot send notifications, the workflow drives complex fulfillment processes
C. A Service Catalog workflow is used to drive complex fulfillment processes and sends notifications to defined users or groups
D. A Service Catalog workflow generates three basic components: item variable types, tasks, and notifications