A child underwent a tonsillectomy at 6 years of age with no complications. He underwent a preoperative screening for bleeding at the age of 12 years before an elective laparotomy, and was found to have a prolonged partial thromboplastin time, but normal prothrombin time. There was no family history of bleeding. The patient is likely to have acquired Vitamin K deficiency:
(A) Acquired Vitamin K deficiency (B) Acquired liver disease (C) Factor XII deficiency (D) Mild hemophilia A
(C) None