Klara wants to implement a biometric factor for a multifactor authentication system. What concern should she raise if the biometric system is noted to have a high FRR?
A. Users may not be able to change their biometric identifiers.
B. Users who shouldn't be able to authenticate may be able to.
C. Users who should be able to authenticate may be rejected.
D. Users may not be able to successfully enroll in the biometric system.