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
A 7 year old boy presented with generalized edema.Urine examination revealed marked albuminuria.Serum biochemical examinations showedhypoalbuminaernia with hyperlipidaemia. Kidneybiopsy was undeaken. On light microscopicexamination, the kidney appeared normal. Electronmicroscopic examination is most likely to reveal: 
Select and explain. 
A. Fusion of foot processes of the glomerular epithelial cells, B. Rarefaction of glomerular basement membrane, C. Deposition of electron dense material in the basement membrane, D. Thin basement membrane
A: Fusion of foot processes of the glomerular epithelial cells
Answer: A: Fusion of foot processes of the glomerular epithelial cells 
Explanation: Thin basement membrane