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
Resistant kala-azar is defined by the persistance of the following feature despite adequate therapy 
Select and explain. 
A. Fever, B. Non-regression of splenomegaly, C. L.D. bodies in more than 5% cells in bone marrow, D. Hyperglobulinaemia
C: L.D. bodies in more than 5% cells in bone marrow
Answer: C: L.D. bodies in more than 5% cells in bone marrow 
Explanation: None