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: Anatomy
Appendix of testis is derived from ? 
Select and explain. 
A. Cranial end of mesonephric duct, B. Caudal end of mesonephric duct, C. Caudal end of paramesonephric duct, D. Caudal end of paramesonephric duct
C: Caudal end of paramesonephric duct
Answer: C: Caudal end of paramesonephric duct 
Explanation: , Cranial end of paramesonephric duct