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
Indicated treatment of thyrotoxicosis in case of pregnancy: 
Select and explain. 
A. Radioactive iodine., B. Antithyroid drugs., C. Surgery., D. Any of the above.
B: Antithyroid drugs.
Answer: B: Antithyroid drugs. 
Explanation: None