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: Medicine
Which of the following is not a major criteria for
diagnosis of multiple myeloma? 
Select and explain. 
A. Lytic bone lesions, B. Plasmacytoma on tissue biopsy, C. Bone marrow plasmacytosis > 30%, D. 'M' spike > 3g% for IgG > 2g% for IgA
A: Lytic bone lesions
Answer: A: Lytic bone lesions 
Explanation: None