Which of the following statements is true?

A. You should exercise for at least 20 minutes, five times a week to maintain cardiorespiratory endurance.
B. In order to develop muscular endurance, you should include three 30-minute sessions of anaerobic exercise each week.
C. Daily stretching exercises should include a bouncing motion.
D. As long as you include a 5- to 10-minute warm-up in your exercise routine, you don't have to include cooldown exercises as well.

Question

Which of the following statements is true? 
 
     A. You should exercise for at least 20 minutes, five times a week to maintain cardiorespiratory endurance. 
B. In order to develop muscular endurance, you should include three 30-minute sessions of anaerobic exercise each week. 
C. Daily stretching exercises should include a bouncing motion. 
D. As long as you include a 5- to 10-minute warm-up in your exercise routine, you don't have to include cooldown exercises as well.