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
Best agent for premenstrual syndrome management is ? 
Select and explain. 
A. Progesterone, B. Anxiolytic, C. SSRI, D. Vitamin E
C: SSRI
Answer: C: SSRI 
Explanation: None