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: Microbiology
Allergic hypersensitivity is mediated by ? 
Select and explain. 
A. IgM, B. IgG, C. IgD, D. IgE
D: IgE
Answer: D: IgE 
Explanation: Ans. is 'd' i.e., IgE