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
Which of the following is not attached laterally to thyroid cartilage, or all the following muscles are attached to the oblique line of thyroid cartilage except: 
Select and explain. 
A. Sternothyroid, B. Thyrohyoid, C. Superior constrictor, D. Inferior constrictor
C: Superior constrictor
Answer: C: Superior constrictor 
Explanation: Larynx is composed of nine cartilage out of which 3 are paired and 3 unpaired.
Paired - Arytenoids, corniculates and cuneiforms. Unpaired - Thyroid, cricoids, epiglottis.
Thyroid cartilage is the largest cartilage of larynx.
On the lateral surface of thyroid cartilage three extrinsic laryngeal muscle are connects to it as:

Sternohyoid
Thyrohyoid
Inferior pharyngeal constrictor.