Answer:
D. both a and b
Explanation:
If you have ever experienced a heart burn or gas build up then those are your symptoms of epigastric pain (pain in upper abdominal region) and bloating (gas).
Beware, gastritis is different than gastroenteritis. Gastritis is only talking about stomach and inflammation whereas, gastroenteritis talks about both stomach and intenstines. Thus, gastroenteritis might cause diarrhea but gastritis will not.
Answer:
Both a and b
Explanation:
Option D
