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: Medicine
False about sjogren's syndrome 
Select and explain. 
A. Kerato conjunctivitis sicca, B. Periductal and Perivascular lymphocytic infilteration, C. Parotid gland biopsy preferred, D. MALToma is most common lymphoma
C: Parotid gland biopsy preferred
Answer: C: Parotid gland biopsy preferred 
Explanation: Biopsy from Lip is preferred.