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: Anatomy
[{'content': 'Ligament of Berry is formed by \nSelect and explain. \nA. Investing layer of Deep Cervical fascia, B. Pretracheal layer, C. Prevertebral layer, D. Pharyngobasilar fascia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The posterior layer of the thyroid capsule is thick. On either side it forms a suspensory\xa0ligament for the thyroid gland known as ligament of Berry .The ligaments are attached chiefly to the cricoid cartilage, and may extend to the thyroid cartilage. They support the thyroid gland, and do not let it sink into the mediastinum.', 'role': 'assistant'}]