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: Medicine
Most common cause of malabsorption in our country is 
Select and explain. 
A. Intestinal surgery, B. Gastric surgery, C. Sprue, D. Intestinal parasite
C: Sprue
Answer: C: Sprue 
Explanation: Coeliac disease or coeliac sprue inflammatory disorder of the small bowel occurring in genetically susceptible individuals, which results from intolerance to wheat gluten and similar proteins found in rye, barley and, to a lesser extent, oats. It can result in malabsorption and responds to a gluten-free diet. The condition occurs worldwide but is more common in nohern Europe. The prevalence in the UK is approximately 1%, although 50% of these people are asymptomatic. These include both undiagnosed 'silent' cases of the disease and cases of 'latent' coeliac disease - genetically susceptible people who may later develop clinical Ref Davidson edition23rd pg 805