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
Agent responsible for increasing factor VIII activity in haemophilia is 
Select and explain. 
A. a)	Epsilon amino caproic acid, B. b)	Tranexamic acid, C. c)	Avitene, D. d)	Deamino D Arginine vasopressin
D: d)	Deamino D Arginine vasopressin
Answer: D: d)	Deamino D Arginine vasopressin 
Explanation: None