This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of Larynx, Subject name: ENT
Tensors of vocal cord are: 
Select and explain. 
A. Posterior cricothyroid, internal interarytenoid, B. Lateral cricothyroid, internal interarytenoid, C. Thyroarytenoid, internal interarytenoid, D. Cricothyroid and internal thyroarytenoid
D: Cricothyroid and internal thyroarytenoid
Answer: D: Cricothyroid and internal thyroarytenoid 
Explanation: Cricothyroid is the main tensor of vocal cords. Another tensor of VC is the internal or medial pa of thyroarytenoid which is also known as Vocalis.