A 16 yrs old girl was brought to the psychiatric emergency after she slashed her wrists in an attempt to commit suicide.On enquiry her father revealed that she had made several such attempts of wrists slashing in the past,mostly in response to trivial fights in her house.Further she had marked fluctuations in her mood with a pervasive pattern of unstable interpersonal relationship.The most probable diagnosis is:

• A. Borderline personality disorder
• B. Major depression
• C. Histrionic personality disorder
• D. Adjustment disorder