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: Dental
"Isomorphic response" can be a feature of the following except 
Select and explain. 
A. Warts, B. Tinea, C. Psoriasis, D. Molluscum contagiosum
B: Tinea
Answer: B: Tinea 
Explanation: Warts and Psoriasis show Isomorphic (koebner's) phenomenon.
Molluscum contagiosum show pseudoisomorphic (isomorphic like) phenomenon.