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 statements about Hairy cell leukaemia are true except - 
Select and explain. 
A. Splenomegaly is conspicuous, B. Results from an expansion of neoplastic T lymphocytes, C. Cells are positive for Tartarate Resistant Acid phosphatase, D. The cells express CD25 consistently
B: Results from an expansion of neoplastic T lymphocytes
Answer: B: Results from an expansion of neoplastic T lymphocytes 
Explanation: None