Which is the correct order for the parts of a workout?

stretching, warming up, cardio, muscular endurance, stretching

stretching, cardio, warming up, muscular endurance, stretching

warming up, stretching, cardio, muscular endurance, stretching

none of the above

I am absolutely sure that the correct order is being revealed by the third option represented above : Warming up, stretching, cardio, muscular endurance, stretching. 
The very first point that you have to perform when you train is warming up in order to shake your body, make your blood run and prepare yourself for the further actions.

It would be b. distress

It settles nerves, reduces the tension.