the pancreas is the only gland that doesn't release during stress
Answer:
This question is honestly based on your opinion, but here is mine. I would rather take a long walk so then I could enjoy the scenery, and get excercise at the same time. A short run would also be a good option because then you could get it over with faster, and still be staying fit.
C. being able to express as well as control feelings
According to me he should choose Running in a 5K race, because when we run our lungs need much more air.