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
Which amongst these is a tuberculid? 
Select and explain. 
A. Erythema nodosum, B. Scrofuloderma, C. Lupus vulgaris, D. Erythema induratum
D: Erythema induratum
Answer: D: Erythema induratum 
Explanation: It is a nodular type of hypersensitivity reaction typically presents as red tender nodules.