This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
[{'content': "Moure's sign can be detected in \nSelect and explain. \nA. Nasopharyngeal carcinoma, B. Oropharyngeal carcinoma, C. Postcricoid carcinoma, D. Supraglottic carcinoma", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Moure`s sign- Absence of Laryngeal click or crepitusClassical sign in post-cricoid malignancy.Bocca`s sign - is also an absence of post-cricoid click or crackle in cricoid malignancy.Ref: Hazarika; 3rd ed; Pg 534', 'role': 'assistant'}]