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
Which of the following conditions is most likely to lead to a dry tap during bone marrow aspiration ? 
Select and explain. 
A. Acute lymphoblastic leukemia, B. Multiple myeloma, C. Megaloblastic anaemia, D. Idiopathic myelofibrosis
D: Idiopathic myelofibrosis
Answer: D: Idiopathic myelofibrosis 
Explanation: Ans. is 'd' i.e., Idiopathic myelofibrosis