(D) The waste (amino acids) build up in your muscles after prolonged use, and causes that burning sensation.
A: Wrong - Carbon Dioxide is the waste product of your body intaking oxygen, and is painless.
B: Wrong - Your body does not produce or ferment alcohol.
C: Wrong - Your body does not produce oxygen, it's consumed.
C. Something may be wrong the child and the doctor needs to know everything about said child.
The answer for what if you don't have anything on here.?
The answer to your question is,
D. Can cause ulcers
-Mabel <3