This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Embryology of Digestive System, Subject name: Anatomy
[{'content': 'Failure of the intestinal loops to return to the abdominal cavity by week 11 after physiological hernia at 6th week results in the formation of: \nSelect and explain. \nA. Omphalocele, B. Gastroschisis, C. Anal agenesis, D. Ileal diveiculum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]