On a routine visit to the physician, a client with chronic arterial occlusive disease reports stopping smoking after 34 years. To relieve symptoms of intermittent claudication, a condition associated with chronic arterial occlusive disease, the nurse should recommend which additional measure（）
A. Taking daily walks.
B. Engaging in anaerobic exercise.
C. Reducing daily fat intake to less than 45% of total calories.
D. Avoiding foods that increase levels of high-density lipoproteins (HDLs).
