Q. Identify the correct about gastroesophageal Reflux disease (GERD)

(a) gastroesophageal Reflux disease obtain involves of relaxation of the lower esophageal sphincter along stomach contents to back up into the oesophagus
(b) Nissen’s Fundoplication is the Surgical Management of the condition
(c) lying in supine position is helpful
(d) both a and b