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
[{'content': 'Method of speech communications after laryngectomy include: \nSelect and explain. \nA. Electrolarynx, B. Oesophageal speech, C. Tracheo-oesophageal speech, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Method of speech communications after laryngectomy include: Oesophageal speech Electrolarynx Transoral pneumatic device Tracheo-oesophageal speech - Blom-Singer prosthesis - Panje prosthesis', 'role': 'assistant'}]