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
Which of the following parotid malignancy shows perineural spread: 
Select and explain. 
A. Pleomorphic adenoma, B. Adenoid cystic carcinoma, C. Warthin's tumor, D. Ductal papilloma
B: Adenoid cystic carcinoma
Answer: B: Adenoid cystic carcinoma 
Explanation: None