This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Omphalocele is caused by 
Select and explain. 
A. Duplication of Intestinal loops, B. Reversed rotation of intestinal loop, C. Abnormal rotation of the intestinal loop, D. Failure of GUT to return to the body cavity from its physiological herniation
D: Failure of GUT to return to the body cavity from its physiological herniation
Answer: D: Failure of GUT to return to the body cavity from its physiological herniation 
Explanation: There are two abdominal wall defects due to failure of development of abdominal musculature:- Ref:- Sabiston 20th edition; Pg num:- 1071