Sandra wants to improve her body composition. four of her friends have given her advice. analyze the sentences to determine which friend gave her the best piece of advice? a. sanchez told her to take diet pills and to eat less than 1,000 calories a day. b. john says to eat several, balanced, low-calorie meals throughout the day and to exercise regularly. c. laurie says to eat only fruits and vegetables and to exercise regularly. d. shelia told her to eat whatever she wants as long as she exercises five days a week for 60 minutes.