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
All of the following may be associated with massive proteinuria except -a)  Amyloidsisb)  Renal vein thrombosisc)  Polycystic kidneysd)  Polyarteritis nodosa 
Select and explain. 
A. ab, B. bc, C. bd, D. cd
D: cd
Answer: D: cd 
Explanation: None