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: Skin
Tzank test' is positive in the following, except: 
Select and explain. 
A. Herpes Zoster, B. EBV, C. Herpes Simplex, D. Varicella
B: EBV
Answer: B: EBV 
Explanation: EBV