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 of the following is not a vesiculobullous disorder? 
Select and explain. 
A. SSSS, B. Darier's disease, C. Dermatitis herpetiformis, D. Pityriasis rosea
D: Pityriasis rosea
Answer: D: Pityriasis rosea 
Explanation: Pityriasis rosea is a papulosquamous disorder caused by HHV6 and HHV7