The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 15 years old boy presents with loose motions and intermittent abdominal pain over the past 1 year. Wet mount stool specimen showed the presence of multiple ova, which are more than 100 p in diameter. The causative organism for the disease shall not include:   (A) Fasciola gigantica   (B) Gastrodiscoides hominis   (C) Echinostoma ilocanum   (D) Opistorchis viverrini
['(D) Opistorchis viverrini <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Fasciola gigantica \n (B) Gastrodiscoides hominis \n (C) Echinostoma ilocanum \n (D) Opistorchis viverrini <> possible answers', '  A 15 years old boy presents with loose motions and intermittent abdominal pain over the past 1 year. Wet mount stool specimen showed the presence of multiple ova, which are more than 100 p in diameter. The causative organism for the disease shall not include: <> context@']