Which Statement Concerning Physical Fitness for Aging Adults Is Most

Which statement concerning physical fitness for aging adults is most accurate?

A) For people who lead an inactive life, there is less of a decline in physical capacity than for those who engage in regular fitness activity, particularly after the age of 60.
B) After the age of 75, regular physical fitness activity can build muscle strength and help a person maintain cognitive functioning.
C) Maintenance of optimal physical condition in very old age depends primarily on having been active in adolescence.
D) Overweight people are better off reducing their physical activity after age 65.