B (i'm actually not that sure though) because A is definitely wrong, C is not correct, and D is fine i think
Answer:
first a person should 1)ask doctor.
2)A person should Mentally prepare.
3)A person start slow.
4)If a person body is comfort for that than a person return to a fitness program.
The correct answer is "It increases endurance."
The more you do sports, the longer your body will be able to endure long periods of playing, exercising, and training. This is because continuous engagement in sports will help your body to grow stronger.