Which Is NOT True of Use Cases

Multiple Choice

Which is NOT true of use cases?

A) They contain all the information needed to build one part of a process model
B) Each use case has a name,a number,importance level,brief description,primary actor,trigger,major inputs and outputs,and a list of major steps
C) Use cases can be identified by reviewing the functional requirements
D) Use cases should be confirmed by users
E) Use cases normally contain ten to twelve major steps