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
Mitosis is a characteristic feature of: 
Select and explain. 
A. Follicular carcinoma, B. Anaplastic carcinoma., C. Papillary carcinoma., D. All of the above
B: Anaplastic carcinoma.
Answer: B: Anaplastic carcinoma. 
Explanation: None