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: Surgery
[{'content': 'A male neonate born with protrusion over anterior abdominal wall .This protrusion was diagnosed to be omphalococle. how do you distinguish  this protrusion from gastroschisis and say it as omhalocolle, because in an omphalocorle \nSelect and explain. \nA. Not covered by a sac, B. Associated with some or complete malrotation of bowel, C. A detect in abdominal musculature, D. Associated with an umbilicus attached to the abdominal walk musculature.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]