The key to using a pedometer to meet the Physical Activity Guidelines for Americans is to _________.

A. First set a time goal and then calculate how many steps are needed each day to reach that goal

B. First set a time goal and then calculate how rigorous the steps need to be each day to reach your goal

C. First calculate how many steps are needed each day to reach your goals

D. First calculate how many steps are needed weekly and then match it to a timed goal

c