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
[{'content': "Shaswat, A 67–year–old male comes to the physician's office complaining of severe pain in the right foot with paleness of right toe. The patient had a history of receiving unfractionated heparin 7 days back. The hemogram of the patient is as shown below:Hb – 13.2 g/dLWBC – 10000/mm3Platelet – 50000/mm3 Which of the following should be used to treat this condition? \nSelect and explain. \nA. High dose of Heparin, B. Platelet infusions, C. Argatroban, D. Warfarin", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]