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
True about membranous GN are following except - 
Select and explain. 
A. Thickening of B.M, B. Deposition between endothelium and B.M., C. Most common cause of nephrotic syndrome in adults, D. Seen in SLE, tumors, drugs
B: Deposition between endothelium and B.M.
Answer: B: Deposition between endothelium and B.M. 
Explanation: Membranous glomerulonephritis 

Membranous glomerulonephritis, also known as membranous nephropathy, is a slowly progressive disease of the kidney affecting mostly patients between ages of 30 and 50 years.
Membranous glomerulonephritis is classified


Primary (idiopathic) - 85%
Secondary  - 15%


Drugs → Penicillamine, captopril, gold, NSAIDS
Malignant tumors → Lung, colon, melanoma
Autoimmune conditions → SLE, thyroiditis
Infections → HBC, HCV, syphilis, schistosomiasis, malaria

Membranous glomerulonephritis is characterized by -

Diffuse thickening of the glomerular capillary wall.
Accumulation of electron - dense, immunoglobulin containing deposits along subepithelial side (between epithelium and GBM).
Membranous glomerulonephritis is the most common cause of nephrotic syndrome in adults.