This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pemphigoid Group, Subject name: Skin
An elderly patient presents with itchy tense blisters on normal looking skin as well as on urticarial plaques as shown below. The most probable diagnosis is: 
Select and explain. 
A. Pemphigus vulgaris, B. Linear IgA disease, C. Bullous pemphigoid, D. Dermatitis herpetiformis
C: Bullous pemphigoid
Answer: C: Bullous pemphigoid 
Explanation: Ans. (c) Bullous pemphigoid.