Correct answer: D). Damage to nerves that control the stomach
Gastroparesis is a medical condition in which the stomach is unable to empty its food. it is mainly caused due to damage caused to the vagus nerve, it is a nerve that regulates the digestive system.
Due to the damaged of vagus nerve the muscles of the stomach are not able to contract, which prevent the movement of food by the digestive system and results in gastroparesis.
The major cause of gastroparesis includes uncontrolled diabetes, multiple sclerosis, gastric surgery that cause injury to the vagus nerve and use of antidepressants etc.