Healthy weight management A is only a matter of eating less.
B involves getting enough calories and the nutrients your body needs.
Cinvolves getting enough nutrients, and not thinking about the source of your
calories.
D is only a matter of counting calories.

I think it's b not sure tho

that is so

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.