This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
according to bethsedas criteria of solitary nodule of thyroid -follicular neoplasm type of nodule is ? 
Select and explain. 
A. thy 1c, B. thy 2, C. thy 3, D. thy 4
D: thy 4
Answer: D: thy 4 
Explanation: ref : bailey and love 27th ed