Structure passing along the aorta in the diaphragmatic opening -: (A) Thoracic duct, (B) Sympathetic duct, (C) Greater splanchnic nerve, (D) Lesser splanchnic nerve
Answer is A. Aortic opening
-        Level- T12
-        At osseoaponeurosis between right and left crus
-        Structures transmitted

   Aorta
   Thoracic duct
   Azygos vein