Ian wants to develop the muscles in his upper body. Which is the best strategy for him to adopt? A. Exercise and eat well, and take moderate quantities of steroids and supplements, as advised by a doctor. B. Work with a trainer and use researched information to devise the most beneficial diet and training plan. C. Load up with carbohydrates and protein, and concentrate his exercise plan on weight lifting rather than aerobic activities. D. Avoid steroids and consult a health practitioner to find types of dietary supplements that best increase muscle mass.