The answer is letter C.
Progressive muscle relaxation should be performed before an intense exercise routine. This is known to cause relaxation and release the anxiety that an individual is feeling. It is a common practice done by athletes to help them block out external stimulus and help them focus in their games. Progressive relaxation contributes to the internal balance of individual helping him have an improved performance. Coaches should always include this pre-game so that their athletes are conditioned both in body and in mind.
You can get an X-Ray, see a chiropractor, etc.
The correct answer would be C. Be assertive but not aggressive. Reacting without thinking tends to put people into negative situations, carrying a gun for protection can still lead to gun violence. Escalating in a situation leads to harmful endings. Being calm and not aggressive is the best way to approach an issue.
Hope this helps!