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: ENT
Early mediators of allergic rhinitis are -a) Leukotrieneb) IL-4c) IL-5d) Bradykinine) PAF 
Select and explain. 
A. ab, B. bc, C. acd, D. abcde
D: abcde
Answer: D: abcde 
Explanation: Allergic rhinitis is Type 1 hypersensitivity reaction