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
The pathogenesis of acute proliferativeglomerulonephritis ? 
Select and explain. 
A. Cytotoxic T-cell mediated, B. Immune complex mediated, C. Antibody mediated, D. Cell-mediated (Typer IV)
B: Immune complex mediated
Answer: B: Immune complex mediated 
Explanation: Ans. is 'b' i.e., Immune complex mediated