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
A 6 year old child has fever, excessive sweating, and skin lesions characterized by flaking of skin. Oral changes include a metallic taste and ulcerative stomatitis. The child has been using teeth whitening gels bought from market since one month. The most likely diagnosis is? 
Select and explain. 
A. Epidermolysis bullosa, B. Erosive lichen planus, C. Acrodynia, D. Darier's disease
C: Acrodynia
Answer: C: Acrodynia 
Explanation: None