To be ranked in the active category and adult has to take between 10,000 and 12,499 steps per day. Therefore option d is the correct answer.
A person is said active when he is physically and mentally fit. Is activeness is defined when he does everything in duration without having any procrastination. He must do regular physical exercises to stay fit.
Jogging and running is said to be a best exercise for staying fit. If a person takes 10000 to 12499 steps he will stay fit. Also diet plays an important role for a person to stay fit.