The correct alternative is letter B.
Performing a physicial activity, using positive self-talk and blowing off steam are appropriate alternatives for people that are dealing with minor frustrations, things that can be forgotten easily by doing something to distract themselves.
When you have a major problem in life, one of the appropriate alternatives would be gaining control of your life. When dealing with a huge problem, it probably means that something went wrong in the way you're dealing with your life, and it needs to be changed.
