A 40-year-old healthy woman has presented to the clinic for a physical examination.When the patient asks the nurse to recommend the amount of time she should spend per week doing moderate-intensity physical activity,what should the nurse recommend?

A) One hour per week or 15 minutes a day for 4 days.
B) Thirty minutes or more a day,for a weekly total of 150 minutes.
C) One hour per day,for a weekly total of 7 hours.
D) Ten minutes a day,for a total of 60 minutes per week.