A preterm baby boy of 34 weeks gestation was born via normal delivery. There was history of polyhydramnios and the antenatal ultrasonography finding was suggestive of upper gut obstruction. Baby weighed 1.9 kg. Abdomen was soft without any distension. Blood reports were normal.  Abdominal X-ray revealed three prominent gas shadows in upper abdomen with gasless distal abdomen.

a)     Apple peel jejunal atresia

b)     Esophageal atresia

c)     Pediatric duodenal atresia

d)     Biliary atresia