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
Thyroglossal fistula is: 
Select and explain. 
A. Lined by squamous epithelium, B. Causes a bulge in neck, C. Inflammatory lesion, D. Precancerous lesion
B: Causes a bulge in neck
Answer: B: Causes a bulge in neck 
Explanation: None