The Orbicularis Oris Is Probably the Most Important Muscle of the Mouth

Multiple Choice

The orbicularis oris is probably the most important muscle of the mouth because in addition to its role in forming facial expressions,this muscle is also referred to as an accessory muscle of mastication.

A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.