If a Requirement Has Been Satisfied, Why Is It Still

Multiple Choice

If a requirement has been satisfied, why is it still considered a requirement?

A) A requirement is considered a requirement as long as the requirement may be able to be changed.  
B) Requirements are considered requirements even if the requirements have been satisfied.
C) A requirement is considered valid as long as the business stakeholders need it.
D) If a requirement has been satisfied, it is no longer a requirement and should be purged from the requirements set.