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: Psychiatry
A lady has very unstable relation with her husband, always threatening to suicide infact she one time eat some poison, then diagnosis is - 
Select and explain. 
A. Borderline personality disorder, B. Depression, C. Avoident personality disorder, D. None
A: Borderline personality disorder
Answer: A: Borderline personality disorder 
Explanation: None