Which Is NOT True of Use Cases

Multiple Choice

Which is NOT true of use cases?

A) They are formal ways of representing how a business system interacts with its environment
B) They illustrates the activities that are performed by the users of the system
C) They can be thought of as an external or functional view of a business process
D) They illustrate what starts (or triggers) an event,all the people that are involved,and how the system provides value
E) They sometimes are called 'business scenarios' (although 'use case' is generally preferred)