What is NOT true of a profile?

What is NOT true of a profile?
A . Applying a profile means that it is allowed, but not required to apply the stereotypes that are part of the profile.
B . A profile can be removed at any time from a model.
C . A profile can be combined with others applied on the same model.
D . Applying a profile means that it is required to apply the stereotypes that are part of the profile.

Answer: C