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': 'Bilateral recurrent laryngeal nerve palsy is seen in all except \nSelect and explain. \nA. Thyroid carcinoma, B. Lymphadenopathy, C. Thyroid surgery, D. Aoic aneurysm', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Thyroid surgery, Carcinoma thyroid, Cancer of cervix, oesophagus and Cervical lymphadenopathy are the causes of Bilateral recurrent laryngeal nerve paralysis Ref: PL Dhingra Textbook of Ear, Nose and Throat, Edition 6, page - 299', 'role': 'assistant'}]