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
Arterial thrombosis is seen in 
Select and explain. 
A. Homocysteinemia, B. Protein S deficiency, C. Protein C deficiency, D. Antithrombin III deficiency
A: Homocysteinemia
Answer: A: Homocysteinemia 
Explanation: None