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
RPGN caused by -a) FSGSb) Wegener's granulomatosisc) Good pasteur's syndromed) PANe) Microscopic polyangitis 
Select and explain. 
A. bce, B. abd, C. abcd, D. bcde
D: bcde
Answer: D: bcde 
Explanation: None