Use of Mismatch Negativity (MMN) for Testing Auditory Discrimination Skills

Use of mismatch negativity (MMN) for testing auditory discrimination skills is preferred over other behavioral measures because ____________.

A) It can be measured in utero.
B) It can be elicited regardless of whether the subject is paying attention.
C) It is the most cost-effective method of assessing auditory discrimination in clinic settings.
D) It requires very little training or equipment to conduct.