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: Surgery
In a middle aged female swelling that presents in the midline of neck is most likely originating from: 
Select and explain. 
A. Larynx, B. Trachea, C. Thyroid, D. Hyoid
C: Thyroid
Answer: C: Thyroid 
Explanation: None