This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
All of the following are Digastric muscles, Except: 
Select and explain. 
A. Muscle fibers in the ligament of Treitz, B. Omohyoid, C. Occipitofrontalis, D. Sternocleidomastoid
D: Sternocleidomastoid
Answer: D: Sternocleidomastoid 
Explanation: D i.e. Sternocleidomastoid - Diagastric, Omohyoid, Occipitofrontalis, Gastroenemius, and Suspensory muscle of duodenum (i.e., muscle in Ligament of Treitz)Q are all digastric muscles i.e, muscles with two muscle bellies. Mn- "DOGS" Sternocleidomastoid muscle has two heads not two belliesQ