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
Collecting tubules of kidney develop from- 
Select and explain. 
A. Ureteric bud, B. Mesonephric duct, C. Paramesonephric duct, D. Wolffian duct
A: Ureteric bud
Answer: A: Ureteric bud 
Explanation: None