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: Medicine
Haemorrhagic infarction is seen in -a) Venous thrombosisb) Thrombosisc) Embolismd) Central venous thrombosis 
Select and explain. 
A. acd, B. bcd, C. abd, D. abc
D: abc
Answer: D: abc 
Explanation: None