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': 'All of the following statements about spasmodic dysphonia are true, except- \nSelect and explain. \nA. It is a dystonia of Laryngeal Muscles, B. Standard treatment is with injection of Botulinum Toxin, C. Multiple injections of Botulinum toxin are required, D. Patient with Abductor type dysphonia have a strained and strangled voice', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]