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: Physiology
Below is shown the Slide of Testis. Suppoing cells of testis are: 
Select and explain. 
A. Leyding cells, B. Seoli Cells, C. Spermatids, D. Spermatogonia
B: Seoli Cells
Answer: B: Seoli Cells 
Explanation: Seoli Cells