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: Pharmacology
Which of the following drug can be used to treat dry mouth associated with Sjogren syndrome: 
Select and explain. 
A. Pilocarpine., B. Cevimeline., C. Both, D. None.
C: Both
Answer: C: Both 
Explanation: None