Which of the following statements refers to a SMART goal? Select one: a. "Starting next week, I will exercise three times a week to reduce my blood pressure and cholesterol by 5 points." b. I will hire a friendly personal trainer with adequate credentials to help me achieve my ideal body and six-pack abs." c. "Starting on Monday, I will try a new group exercise class to maximize my results and meet new friends." d. "I will reduce my body fat by 5% in 12 weeks by exercising 60 minutes five days per week and eating a 1,600-calorie per day diet."