The best cardio respiratory workout is one that A. Produces a high amount of sweat.
B. Makes you extremely tired.
C. Makes you extremely sore the next day.
D. You’ll perform on a regular basis.

D. You’ll perform on a regular basis.

Explanation:

The best cardiorespiratory workout is one that you will perform on a regular basis - c. This indeed probably is something that's very important because without regular workouts, no exercise will help you as one that you're doing on a regular basis.

just put in mind that others aren't perfect. we all have problems that we feel makes us low of the low. but know that you are special and unique, that is what makes you out of this world : ). you might think and feel that others judge you, but mostly other people are scared if people judge them. just be happy, spend time with family, smile because that is the greatest medicine. a happy life. hope this : ))

the answer is b its not mature