You have to state what stresses you out most in life. For Example, Peer Pressure. Then you have to tell one way you can calm down when your stressed like meditating.
I believe C is the correct answer, the rest of these options are facts.
A long walk in the park or a short run around the block works for me.
A clue to cause and effect would be the word "since" as it starts a cause for something,a reason for something to happen