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: Skin
Rakesh, a 7-year-old boy had itchy, excoriated papules on the forehead and the exposed pas of the arms and legs for 3 years. The disease was most severe in the rainy season and improved completely in winter. Most likely diagnosis is: 
Select and explain. 
A. Insect bite hypersensitivity, B. Scabies, C. Uicaria, D. Atopic dermatitis
D: Atopic dermatitis
Answer: D: Atopic dermatitis 
Explanation: D i.e. Atopic dermatitis