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: Surgery
Thyroid carcinoma with pulsating vascular skeletal metastasis is - 
Select and explain. 
A. Follicular, B. Anaplastic, C. Medullary, D. Papillary
A: Follicular
Answer: A: Follicular 
Explanation: None