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: Pharmacology
Anticoagulant of choice for heparin induced thrombocytopenia is ? 
Select and explain. 
A. Lepirudin, B. Aprotinin, C. Abciximab, D. Plasminogen
A: Lepirudin
Answer: A: Lepirudin 
Explanation: None