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: ENT
True about carcinoma larynx - 
Select and explain. 
A. Glottis is most common site, B. Rarely presents with metastasis, C. Adenocarcinoma is commonest type, D. Responds to chemotherapy very well
A: Glottis is most common site
Answer: A: Glottis is most common site 
Explanation: None