A 45-year-old woman wants to increase her physical activity to the meet the general guidelines recommended by the United States Department of Agriculture and the American College of Sports Medicine. Which of the following routines would meet the recommendations? A. 1 hour a week of bicycling B. 1 hour a week of tennis C. 1 hour and 15 minutes a week of golfing D. 1 hour and 15 minutes a week of swimming