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: Pathology
Electron microscopy is viually diagnostic in renal biopsy study of: 
Select and explain. 
A. Goodpasture's syndrome, B. Churg-Strauss syndrome, C. Alpo syndrome, D. Wegner's granulomatosis
C: Alpo syndrome
Answer: C: Alpo syndrome 
Explanation: . Alpo syndrome