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
Treatment of choice for medullary carcinoma of thyroid is: 
Select and explain. 
A. Total thyroidectomy, B. Partial thyroidectomy, C. 1131 ablation, D. Hernithyroidectomy
A: Total thyroidectomy
Answer: A: Total thyroidectomy 
Explanation: None