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 associated with Bence jones myeloma 
Select and explain. 
A. y chain disease, B. a chain disease, C. X, chain disease, D. t chain disease
C: X, chain disease
Answer: C: X, chain disease 
Explanation: Ans. is 'c' i.e., chain disease