A 40 old female male is admitted with complaints of abdominal pain and headache.General physical examination revealed six scars on the abdomen from surgeries.He seems to maintain a sick role and seeks attention from the nurse.He demands multiple diagnostic tests including a liver biopsy.The treating term failed to diagnose any major physical illness in the patient.His mental status examination did not reveal any major psychopathology.One of treatment staff recognized him to have appeared in several other hospital with abdominal pain and some vague complaints.He is most likely suffering from -

• A. Somatisation disorder
• B. Malingering
• C. Schizophrenia
• D. Factitious disorder